20153178856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{628373}}^1$

素因数の和:628609

約数の個数: 32

約数和(自身を含む): 39964586400

約数和(自身を除く): 19811407544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 211, 422, 844, 1688, 4009, 8018, 16036, 32072, 628373, 1256746, 2513492, 5026984, 11939087, 23878174, 47756348, 95512696, 132586703, 265173406, 530346812, 1060693624, 2519147357, 5038294714, 10076589428, 20153178856]

約数ペア:

[(1, 20153178856), (2, 10076589428), (4, 5038294714), (8, 2519147357), (19, 1060693624), (38, 530346812), (76, 265173406), (152, 132586703), (211, 95512696), (422, 47756348), (844, 23878174), (1688, 11939087), (4009, 5026984), (8018, 2513492), (16036, 1256746), (32072, 628373)]