20450728660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{45263}}^1$

素因数の和:45361

約数の個数: 96

約数和(自身を含む): 47907417600

約数和(自身を除く): 27456688940

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 41, 58, 76, 82, 95, 116, 145, 164, 190, 205, 290, 380, 410, 551, 580, 779, 820, 1102, 1189, 1558, 2204, 2378, 2755, 3116, 3895, 4756, 5510, 5945, 7790, 11020, 11890, 15580, 22591, 23780, 45182, 45263, 90364, 90526, 112955, 181052, 225910, 226315, 451820, 452630, 859997, 905260, 1312627, 1719994, 1855783, 2625254, 3439988, 3711566, 4299985, 5250508, 6563135, 7423132, 8599970, 9278915, 13126270, 17199940, 18557830, 24939913, 26252540, 35259877, 37115660, 49879826, 53817707, 70519754, 99759652, 107635414, 124699565, 141039508, 176299385, 215270828, 249399130, 269088535, 352598770, 498798260, 538177070, 705197540, 1022536433, 1076354140, 2045072866, 4090145732, 5112682165, 10225364330, 20450728660]

約数ペア:

[(1, 20450728660), (2, 10225364330), (4, 5112682165), (5, 4090145732), (10, 2045072866), (19, 1076354140), (20, 1022536433), (29, 705197540), (38, 538177070), (41, 498798260), (58, 352598770), (76, 269088535), (82, 249399130), (95, 215270828), (116, 176299385), (145, 141039508), (164, 124699565), (190, 107635414), (205, 99759652), (290, 70519754), (380, 53817707), (410, 49879826), (551, 37115660), (580, 35259877), (779, 26252540), (820, 24939913), (1102, 18557830), (1189, 17199940), (1558, 13126270), (2204, 9278915), (2378, 8599970), (2755, 7423132), (3116, 6563135), (3895, 5250508), (4756, 4299985), (5510, 3711566), (5945, 3439988), (7790, 2625254), (11020, 1855783), (11890, 1719994), (15580, 1312627), (22591, 905260), (23780, 859997), (45182, 452630), (45263, 451820), (90364, 226315), (90526, 225910), (112955, 181052)]