20168022780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{5839}}^1$

素因数の和:6504

約数の個数: 144

約数和(自身を含む): 63262617600

約数和(自身を除く): 43094594820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 619, 620, 930, 1116, 1238, 1395, 1857, 1860, 2476, 2790, 3095, 3714, 5571, 5580, 5839, 6190, 7428, 9285, 11142, 11678, 12380, 17517, 18570, 19189, 22284, 23356, 27855, 29195, 35034, 37140, 38378, 52551, 55710, 57567, 58390, 70068, 76756, 87585, 95945, 105102, 111420, 115134, 116780, 172701, 175170, 181009, 191890, 210204, 230268, 262755, 287835, 345402, 350340, 362018, 383780, 525510, 543027, 575670, 690804, 724036, 863505, 905045, 1051020, 1086054, 1151340, 1629081, 1727010, 1810090, 2172108, 2715135, 3258162, 3454020, 3614341, 3620180, 5430270, 6516324, 7228682, 8145405, 10843023, 10860540, 14457364, 16290810, 18071705, 21686046, 32529069, 32581620, 36143410, 43372092, 54215115, 65058138, 72286820, 108430230, 112044571, 130116276, 162645345, 216860460, 224089142, 325290690, 336133713, 448178284, 560222855, 650581380, 672267426, 1008401139, 1120445710, 1344534852, 1680668565, 2016802278, 2240891420, 3361337130, 4033604556, 5042005695, 6722674260, 10084011390, 20168022780]

約数ペア:

[(1, 20168022780), (2, 10084011390), (3, 6722674260), (4, 5042005695), (5, 4033604556), (6, 3361337130), (9, 2240891420), (10, 2016802278), (12, 1680668565), (15, 1344534852), (18, 1120445710), (20, 1008401139), (30, 672267426), (31, 650581380), (36, 560222855), (45, 448178284), (60, 336133713), (62, 325290690), (90, 224089142), (93, 216860460), (124, 162645345), (155, 130116276), (180, 112044571), (186, 108430230), (279, 72286820), (310, 65058138), (372, 54215115), (465, 43372092), (558, 36143410), (619, 32581620), (620, 32529069), (930, 21686046), (1116, 18071705), (1238, 16290810), (1395, 14457364), (1857, 10860540), (1860, 10843023), (2476, 8145405), (2790, 7228682), (3095, 6516324), (3714, 5430270), (5571, 3620180), (5580, 3614341), (5839, 3454020), (6190, 3258162), (7428, 2715135), (9285, 2172108), (11142, 1810090), (11678, 1727010), (12380, 1629081), (17517, 1151340), (18570, 1086054), (19189, 1051020), (22284, 905045), (23356, 863505), (27855, 724036), (29195, 690804), (35034, 575670), (37140, 543027), (38378, 525510), (52551, 383780), (55710, 362018), (57567, 350340), (58390, 345402), (70068, 287835), (76756, 262755), (87585, 230268), (95945, 210204), (105102, 191890), (111420, 181009), (115134, 175170), (116780, 172701)]