20492064680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{7321}}^1$

素因数の和:7507

約数の個数: 128

約数和(自身を含む): 50609664000

約数和(自身を除く): 30117599320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 127, 145, 152, 190, 232, 254, 290, 380, 508, 551, 580, 635, 760, 1016, 1102, 1160, 1270, 2204, 2413, 2540, 2755, 3683, 4408, 4826, 5080, 5510, 7321, 7366, 9652, 11020, 12065, 14642, 14732, 18415, 19304, 22040, 24130, 29284, 29464, 36605, 36830, 48260, 58568, 69977, 73210, 73660, 96520, 139099, 139954, 146420, 147320, 212309, 278198, 279908, 292840, 349885, 424618, 556396, 559816, 695495, 699770, 849236, 929767, 1061545, 1112792, 1390990, 1399540, 1698472, 1859534, 2123090, 2781980, 2799080, 3719068, 4033871, 4246180, 4648835, 5563960, 7438136, 8067742, 8492360, 9297670, 16135484, 17665573, 18595340, 20169355, 26963243, 32270968, 35331146, 37190680, 40338710, 53926486, 70662292, 80677420, 88327865, 107852972, 134816215, 141324584, 161354840, 176655730, 215705944, 269632430, 353311460, 512301617, 539264860, 706622920, 1024603234, 1078529720, 2049206468, 2561508085, 4098412936, 5123016170, 10246032340, 20492064680]

約数ペア:

[(1, 20492064680), (2, 10246032340), (4, 5123016170), (5, 4098412936), (8, 2561508085), (10, 2049206468), (19, 1078529720), (20, 1024603234), (29, 706622920), (38, 539264860), (40, 512301617), (58, 353311460), (76, 269632430), (95, 215705944), (116, 176655730), (127, 161354840), (145, 141324584), (152, 134816215), (190, 107852972), (232, 88327865), (254, 80677420), (290, 70662292), (380, 53926486), (508, 40338710), (551, 37190680), (580, 35331146), (635, 32270968), (760, 26963243), (1016, 20169355), (1102, 18595340), (1160, 17665573), (1270, 16135484), (2204, 9297670), (2413, 8492360), (2540, 8067742), (2755, 7438136), (3683, 5563960), (4408, 4648835), (4826, 4246180), (5080, 4033871), (5510, 3719068), (7321, 2799080), (7366, 2781980), (9652, 2123090), (11020, 1859534), (12065, 1698472), (14642, 1399540), (14732, 1390990), (18415, 1112792), (19304, 1061545), (22040, 929767), (24130, 849236), (29284, 699770), (29464, 695495), (36605, 559816), (36830, 556396), (48260, 424618), (58568, 349885), (69977, 292840), (73210, 279908), (73660, 278198), (96520, 212309), (139099, 147320), (139954, 146420)]