20878028

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{853}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 38020080

約数和(自身を除く): 17142052

約数列:

[1, 2, 4, 29, 58, 116, 211, 422, 844, 853, 1706, 3412, 6119, 12238, 24476, 24737, 49474, 98948, 179983, 359966, 719932, 5219507, 10439014, 20878028]

約数ペア:

[(1, 20878028), (2, 10439014), (4, 5219507), (29, 719932), (58, 359966), (116, 179983), (211, 98948), (422, 49474), (844, 24737), (853, 24476), (1706, 12238), (3412, 6119)]