20178984540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2351863}}^1$

素因数の和:2351899

約数の個数: 96

約数和(自身を含む): 66379009536

約数和(自身を除く): 46200024996

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 4290, 8580, 2351863, 4703726, 7055589, 9407452, 11759315, 14111178, 23518630, 25870493, 28222356, 30574219, 35277945, 47037260, 51740986, 61148438, 70555890, 77611479, 91722657, 103481972, 122296876, 129352465, 141111780, 152871095, 155222958, 183445314, 258704930, 305742190, 310445916, 336316409, 366890628, 388057395, 458613285, 517409860, 611484380, 672632818, 776114790, 917226570, 1008949227, 1345265636, 1552229580, 1681582045, 1834453140, 2017898454, 3363164090, 4035796908, 5044746135, 6726328180, 10089492270, 20178984540]

約数ペア:

[(1, 20178984540), (2, 10089492270), (3, 6726328180), (4, 5044746135), (5, 4035796908), (6, 3363164090), (10, 2017898454), (11, 1834453140), (12, 1681582045), (13, 1552229580), (15, 1345265636), (20, 1008949227), (22, 917226570), (26, 776114790), (30, 672632818), (33, 611484380), (39, 517409860), (44, 458613285), (52, 388057395), (55, 366890628), (60, 336316409), (65, 310445916), (66, 305742190), (78, 258704930), (110, 183445314), (130, 155222958), (132, 152871095), (143, 141111780), (156, 129352465), (165, 122296876), (195, 103481972), (220, 91722657), (260, 77611479), (286, 70555890), (330, 61148438), (390, 51740986), (429, 47037260), (572, 35277945), (660, 30574219), (715, 28222356), (780, 25870493), (858, 23518630), (1430, 14111178), (1716, 11759315), (2145, 9407452), (2860, 7055589), (4290, 4703726), (8580, 2351863)]