20280524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 22902196

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1427, 2854, 3553, 5708, 7106, 14212, 15697, 24259, 27113, 31394, 48518, 54226, 62788, 97036, 108452, 266849, 298243, 460921, 533698, 596486, 921842, 1067396, 1192972, 1843684, 5070131, 10140262, 20280524]

約数ペア:

[(1, 20280524), (2, 10140262), (4, 5070131), (11, 1843684), (17, 1192972), (19, 1067396), (22, 921842), (34, 596486), (38, 533698), (44, 460921), (68, 298243), (76, 266849), (187, 108452), (209, 97036), (323, 62788), (374, 54226), (418, 48518), (646, 31394), (748, 27113), (836, 24259), (1292, 15697), (1427, 14212), (2854, 7106), (3553, 5708)]