20144275540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{2459}}^1$

素因数の和:2753

約数の個数: 96

約数和(自身を含む): 44528440320

約数和(自身を除く): 24384164780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 181, 292, 310, 362, 365, 620, 724, 730, 905, 1460, 1810, 2263, 2459, 3620, 4526, 4918, 5611, 9052, 9836, 11222, 11315, 12295, 13213, 22444, 22630, 24590, 26426, 28055, 45260, 49180, 52852, 56110, 66065, 76229, 112220, 132130, 152458, 179507, 264260, 304916, 359014, 381145, 409603, 445079, 718028, 762290, 819206, 890158, 897535, 1524580, 1638412, 1780316, 1795070, 2048015, 2225395, 3590140, 4096030, 4450790, 5564717, 8192060, 8901580, 11129434, 13797449, 22258868, 27594898, 27823585, 32490767, 55189796, 55647170, 64981534, 68987245, 111294340, 129963068, 137974490, 162453835, 275948980, 324907670, 649815340, 1007213777, 2014427554, 4028855108, 5036068885, 10072137770, 20144275540]

約数ペア:

[(1, 20144275540), (2, 10072137770), (4, 5036068885), (5, 4028855108), (10, 2014427554), (20, 1007213777), (31, 649815340), (62, 324907670), (73, 275948980), (124, 162453835), (146, 137974490), (155, 129963068), (181, 111294340), (292, 68987245), (310, 64981534), (362, 55647170), (365, 55189796), (620, 32490767), (724, 27823585), (730, 27594898), (905, 22258868), (1460, 13797449), (1810, 11129434), (2263, 8901580), (2459, 8192060), (3620, 5564717), (4526, 4450790), (4918, 4096030), (5611, 3590140), (9052, 2225395), (9836, 2048015), (11222, 1795070), (11315, 1780316), (12295, 1638412), (13213, 1524580), (22444, 897535), (22630, 890158), (24590, 819206), (26426, 762290), (28055, 718028), (45260, 445079), (49180, 409603), (52852, 381145), (56110, 359014), (66065, 304916), (76229, 264260), (112220, 179507), (132130, 152458)]