20109514

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 32587776

約数和(自身を除く): 12478262

約数列:

[1, 2, 31, 47, 62, 67, 94, 103, 134, 206, 1457, 2077, 2914, 3149, 3193, 4154, 4841, 6298, 6386, 6901, 9682, 13802, 97619, 150071, 195238, 213931, 300142, 324347, 427862, 648694, 10054757, 20109514]

約数ペア:

[(1, 20109514), (2, 10054757), (31, 648694), (47, 427862), (62, 324347), (67, 300142), (94, 213931), (103, 195238), (134, 150071), (206, 97619), (1457, 13802), (2077, 9682), (2914, 6901), (3149, 6386), (3193, 6298), (4154, 4841)]