20021297520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11917439}}^1$

素因数の和:11917462

約数の個数: 80

約数和(自身を含む): 70932602880

約数和(自身を除く): 50911305360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11917439, 23834878, 35752317, 47669756, 59587195, 71504634, 83422073, 95339512, 119174390, 143009268, 166844146, 178761585, 190679024, 238348780, 250266219, 286018536, 333688292, 357523170, 417110365, 476697560, 500532438, 572037072, 667376584, 715046340, 834220730, 953395120, 1001064876, 1251331095, 1334753168, 1430092680, 1668441460, 2002129752, 2502662190, 2860185360, 3336882920, 4004259504, 5005324380, 6673765840, 10010648760, 20021297520]

約数ペア:

[(1, 20021297520), (2, 10010648760), (3, 6673765840), (4, 5005324380), (5, 4004259504), (6, 3336882920), (7, 2860185360), (8, 2502662190), (10, 2002129752), (12, 1668441460), (14, 1430092680), (15, 1334753168), (16, 1251331095), (20, 1001064876), (21, 953395120), (24, 834220730), (28, 715046340), (30, 667376584), (35, 572037072), (40, 500532438), (42, 476697560), (48, 417110365), (56, 357523170), (60, 333688292), (70, 286018536), (80, 250266219), (84, 238348780), (105, 190679024), (112, 178761585), (120, 166844146), (140, 143009268), (168, 119174390), (210, 95339512), (240, 83422073), (280, 71504634), (336, 59587195), (420, 47669756), (560, 35752317), (840, 23834878), (1680, 11917439)]