20179876875

素因数分解:

$3^1\times 5^4\times {\mathrm{1609}}^1\times {\mathrm{6689}}^1$

素因数の和:8321

約数の個数: 40

約数和(自身を含む): 33648291600

約数和(自身を除く): 13468414725

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1609, 1875, 4827, 6689, 8045, 20067, 24135, 33445, 40225, 100335, 120675, 167225, 201125, 501675, 603375, 836125, 1005625, 2508375, 3016875, 4180625, 10762601, 12541875, 32287803, 53813005, 161439015, 269065025, 807195075, 1345325125, 4035975375, 6726625625, 20179876875]

約数ペア:

[(1, 20179876875), (3, 6726625625), (5, 4035975375), (15, 1345325125), (25, 807195075), (75, 269065025), (125, 161439015), (375, 53813005), (625, 32287803), (1609, 12541875), (1875, 10762601), (4827, 4180625), (6689, 3016875), (8045, 2508375), (20067, 1005625), (24135, 836125), (33445, 603375), (40225, 501675), (100335, 201125), (120675, 167225)]