20903192

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1217}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 41655600

約数和(自身を除く): 20752408

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 452, 904, 1217, 2147, 2434, 4294, 4868, 8588, 9736, 17176, 23123, 46246, 92492, 137521, 184984, 275042, 550084, 1100168, 2612899, 5225798, 10451596, 20903192]

約数ペア:

[(1, 20903192), (2, 10451596), (4, 5225798), (8, 2612899), (19, 1100168), (38, 550084), (76, 275042), (113, 184984), (152, 137521), (226, 92492), (452, 46246), (904, 23123), (1217, 17176), (2147, 9736), (2434, 8588), (4294, 4868)]