20017503770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{53507}}^1$

素因数の和:53723

約数の個数: 64

約数和(自身を含む): 41607820800

約数和(自身を除く): 21590317030

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 179, 190, 209, 358, 418, 895, 1045, 1790, 1969, 2090, 3401, 3938, 6802, 9845, 17005, 19690, 34010, 37411, 53507, 74822, 107014, 187055, 267535, 374110, 535070, 588577, 1016633, 1177154, 2033266, 2942885, 5083165, 5885770, 9577753, 10166330, 11182963, 19155506, 22365926, 47888765, 55914815, 95777530, 105355283, 111829630, 181977307, 210710566, 363954614, 526776415, 909886535, 1053552830, 1819773070, 2001750377, 4003500754, 10008751885, 20017503770]

約数ペア:

[(1, 20017503770), (2, 10008751885), (5, 4003500754), (10, 2001750377), (11, 1819773070), (19, 1053552830), (22, 909886535), (38, 526776415), (55, 363954614), (95, 210710566), (110, 181977307), (179, 111829630), (190, 105355283), (209, 95777530), (358, 55914815), (418, 47888765), (895, 22365926), (1045, 19155506), (1790, 11182963), (1969, 10166330), (2090, 9577753), (3401, 5885770), (3938, 5083165), (6802, 2942885), (9845, 2033266), (17005, 1177154), (19690, 1016633), (34010, 588577), (37411, 535070), (53507, 374110), (74822, 267535), (107014, 187055)]