20223440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 50889600

約数和(自身を除く): 30666160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 80, 92, 115, 116, 145, 184, 230, 232, 290, 368, 379, 460, 464, 580, 667, 758, 920, 1160, 1334, 1516, 1840, 1895, 2320, 2668, 3032, 3335, 3790, 5336, 6064, 6670, 7580, 8717, 10672, 10991, 13340, 15160, 17434, 21982, 26680, 30320, 34868, 43585, 43964, 53360, 54955, 69736, 87170, 87928, 109910, 139472, 174340, 175856, 219820, 252793, 348680, 439640, 505586, 697360, 879280, 1011172, 1263965, 2022344, 2527930, 4044688, 5055860, 10111720, 20223440]

約数ペア:

[(1, 20223440), (2, 10111720), (4, 5055860), (5, 4044688), (8, 2527930), (10, 2022344), (16, 1263965), (20, 1011172), (23, 879280), (29, 697360), (40, 505586), (46, 439640), (58, 348680), (80, 252793), (92, 219820), (115, 175856), (116, 174340), (145, 139472), (184, 109910), (230, 87928), (232, 87170), (290, 69736), (368, 54955), (379, 53360), (460, 43964), (464, 43585), (580, 34868), (667, 30320), (758, 26680), (920, 21982), (1160, 17434), (1334, 15160), (1516, 13340), (1840, 10991), (1895, 10672), (2320, 8717), (2668, 7580), (3032, 6670), (3335, 6064), (3790, 5336)]