20178880020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{37657}}^1$

素因数の和:37914

約数の個数: 144

約数和(自身を含む): 66207282960

約数和(自身を除く): 46028402940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 229, 234, 260, 390, 458, 468, 585, 687, 780, 916, 1145, 1170, 1374, 2061, 2290, 2340, 2748, 2977, 3435, 4122, 4580, 5954, 6870, 8244, 8931, 10305, 11908, 13740, 14885, 17862, 20610, 26793, 29770, 35724, 37657, 41220, 44655, 53586, 59540, 75314, 89310, 107172, 112971, 133965, 150628, 178620, 188285, 225942, 267930, 338913, 376570, 451884, 489541, 535860, 564855, 677826, 753140, 979082, 1129710, 1355652, 1468623, 1694565, 1958164, 2259420, 2447705, 2937246, 3389130, 4405869, 4895410, 5874492, 6778260, 7343115, 8623453, 8811738, 9790820, 14686230, 17246906, 17623476, 22029345, 25870359, 29372460, 34493812, 43117265, 44058690, 51740718, 77611077, 86234530, 88117380, 103481436, 112104889, 129351795, 155222154, 172469060, 224209778, 258703590, 310444308, 336314667, 388055385, 448419556, 517407180, 560524445, 672629334, 776110770, 1008944001, 1121048890, 1345258668, 1552221540, 1681573335, 2017888002, 2242097780, 3363146670, 4035776004, 5044720005, 6726293340, 10089440010, 20178880020]

約数ペア:

[(1, 20178880020), (2, 10089440010), (3, 6726293340), (4, 5044720005), (5, 4035776004), (6, 3363146670), (9, 2242097780), (10, 2017888002), (12, 1681573335), (13, 1552221540), (15, 1345258668), (18, 1121048890), (20, 1008944001), (26, 776110770), (30, 672629334), (36, 560524445), (39, 517407180), (45, 448419556), (52, 388055385), (60, 336314667), (65, 310444308), (78, 258703590), (90, 224209778), (117, 172469060), (130, 155222154), (156, 129351795), (180, 112104889), (195, 103481436), (229, 88117380), (234, 86234530), (260, 77611077), (390, 51740718), (458, 44058690), (468, 43117265), (585, 34493812), (687, 29372460), (780, 25870359), (916, 22029345), (1145, 17623476), (1170, 17246906), (1374, 14686230), (2061, 9790820), (2290, 8811738), (2340, 8623453), (2748, 7343115), (2977, 6778260), (3435, 5874492), (4122, 4895410), (4580, 4405869), (5954, 3389130), (6870, 2937246), (8244, 2447705), (8931, 2259420), (10305, 1958164), (11908, 1694565), (13740, 1468623), (14885, 1355652), (17862, 1129710), (20610, 979082), (26793, 753140), (29770, 677826), (35724, 564855), (37657, 535860), (41220, 489541), (44655, 451884), (53586, 376570), (59540, 338913), (75314, 267930), (89310, 225942), (107172, 188285), (112971, 178620), (133965, 150628)]