20005070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{683}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 37674720

約数和(自身を除く): 17669650

約数列:

[1, 2, 5, 10, 29, 58, 101, 145, 202, 290, 505, 683, 1010, 1366, 2929, 3415, 5858, 6830, 14645, 19807, 29290, 39614, 68983, 99035, 137966, 198070, 344915, 689830, 2000507, 4001014, 10002535, 20005070]

約数ペア:

[(1, 20005070), (2, 10002535), (5, 4001014), (10, 2000507), (29, 689830), (58, 344915), (101, 198070), (145, 137966), (202, 99035), (290, 68983), (505, 39614), (683, 29290), (1010, 19807), (1366, 14645), (2929, 6830), (3415, 5858)]