20403912

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{12689}}^1$

素因数の和:12765

約数の個数: 32

約数和(自身を含む): 51775200

約数和(自身を除く): 31371288

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 12689, 25378, 38067, 50756, 76134, 101512, 152268, 304536, 850163, 1700326, 2550489, 3400652, 5100978, 6801304, 10201956, 20403912]

約数ペア:

[(1, 20403912), (2, 10201956), (3, 6801304), (4, 5100978), (6, 3400652), (8, 2550489), (12, 1700326), (24, 850163), (67, 304536), (134, 152268), (201, 101512), (268, 76134), (402, 50756), (536, 38067), (804, 25378), (1608, 12689)]