20451678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3319}}^1$

素因数の和:3416

約数の個数: 32

約数和(自身を含む): 44620800

約数和(自身を除く): 24169122

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 3319, 6162, 6638, 9957, 19914, 43147, 86294, 129441, 258882, 262201, 524402, 786603, 1573206, 3408613, 6817226, 10225839, 20451678]

約数ペア:

[(1, 20451678), (2, 10225839), (3, 6817226), (6, 3408613), (13, 1573206), (26, 786603), (39, 524402), (78, 262201), (79, 258882), (158, 129441), (237, 86294), (474, 43147), (1027, 19914), (2054, 9957), (3081, 6638), (3319, 6162)]