20173981660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:716

約数の個数: 192

約数和(自身を含む): 51189304320

約数和(自身を除く): 31015322660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 83, 116, 131, 140, 145, 166, 203, 262, 290, 332, 406, 415, 457, 524, 580, 581, 655, 812, 830, 914, 917, 1015, 1162, 1310, 1660, 1828, 1834, 2030, 2285, 2324, 2407, 2620, 2905, 3199, 3668, 3799, 4060, 4570, 4585, 4814, 5810, 6398, 7598, 9140, 9170, 9628, 10873, 11620, 12035, 12796, 13253, 15196, 15995, 16849, 18340, 18995, 21746, 24070, 26506, 26593, 31990, 33698, 37931, 37990, 43492, 48140, 53012, 53186, 54365, 59867, 63980, 66265, 67396, 75862, 75980, 76111, 84245, 92771, 106372, 108730, 119734, 132530, 132965, 151724, 152222, 168490, 185542, 189655, 217460, 239468, 265060, 265517, 265930, 299335, 304444, 315317, 336980, 371084, 379310, 380555, 419069, 463855, 531034, 531860, 598670, 630634, 758620, 761110, 838138, 927710, 1062068, 1099999, 1197340, 1261268, 1327585, 1522220, 1576585, 1676276, 1736143, 1855420, 2095345, 2199998, 2207219, 2655170, 3153170, 3472286, 4190690, 4399996, 4414438, 4968961, 5310340, 5499995, 6306340, 6944572, 7699993, 8381380, 8680715, 8828876, 9937922, 10999990, 11036095, 12153001, 15399986, 17361430, 19875844, 21999980, 22072190, 24306002, 24844805, 30799972, 34722860, 34782727, 38499965, 44144380, 48612004, 49689610, 60765005, 69565454, 76999930, 99379220, 121530010, 139130908, 144099869, 153999860, 173913635, 243060020, 288199738, 347827270, 576399476, 695654540, 720499345, 1008699083, 1440998690, 2017398166, 2881997380, 4034796332, 5043495415, 10086990830, 20173981660]

約数ペア:

[(1, 20173981660), (2, 10086990830), (4, 5043495415), (5, 4034796332), (7, 2881997380), (10, 2017398166), (14, 1440998690), (20, 1008699083), (28, 720499345), (29, 695654540), (35, 576399476), (58, 347827270), (70, 288199738), (83, 243060020), (116, 173913635), (131, 153999860), (140, 144099869), (145, 139130908), (166, 121530010), (203, 99379220), (262, 76999930), (290, 69565454), (332, 60765005), (406, 49689610), (415, 48612004), (457, 44144380), (524, 38499965), (580, 34782727), (581, 34722860), (655, 30799972), (812, 24844805), (830, 24306002), (914, 22072190), (917, 21999980), (1015, 19875844), (1162, 17361430), (1310, 15399986), (1660, 12153001), (1828, 11036095), (1834, 10999990), (2030, 9937922), (2285, 8828876), (2324, 8680715), (2407, 8381380), (2620, 7699993), (2905, 6944572), (3199, 6306340), (3668, 5499995), (3799, 5310340), (4060, 4968961), (4570, 4414438), (4585, 4399996), (4814, 4190690), (5810, 3472286), (6398, 3153170), (7598, 2655170), (9140, 2207219), (9170, 2199998), (9628, 2095345), (10873, 1855420), (11620, 1736143), (12035, 1676276), (12796, 1576585), (13253, 1522220), (15196, 1327585), (15995, 1261268), (16849, 1197340), (18340, 1099999), (18995, 1062068), (21746, 927710), (24070, 838138), (26506, 761110), (26593, 758620), (31990, 630634), (33698, 598670), (37931, 531860), (37990, 531034), (43492, 463855), (48140, 419069), (53012, 380555), (53186, 379310), (54365, 371084), (59867, 336980), (63980, 315317), (66265, 304444), (67396, 299335), (75862, 265930), (75980, 265517), (76111, 265060), (84245, 239468), (92771, 217460), (106372, 189655), (108730, 185542), (119734, 168490), (132530, 152222), (132965, 151724)]