20649678

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{70237}}^1$

素因数の和:70256

約数の個数: 24

約数和(自身を含む): 48042792

約数和(自身を除く): 27393114

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 70237, 140474, 210711, 421422, 491659, 983318, 1474977, 2949954, 3441613, 6883226, 10324839, 20649678]

約数ペア:

[(1, 20649678), (2, 10324839), (3, 6883226), (6, 3441613), (7, 2949954), (14, 1474977), (21, 983318), (42, 491659), (49, 421422), (98, 210711), (147, 140474), (294, 70237)]