20320591875

素因数分解:

$3^1\times 5^4\times {\mathrm{461}}^1\times {\mathrm{23509}}^1$

素因数の和:23993

約数の個数: 40

約数和(自身を含む): 33931700880

約数和(自身を除く): 13611109005

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 461, 625, 1383, 1875, 2305, 6915, 11525, 23509, 34575, 57625, 70527, 117545, 172875, 288125, 352635, 587725, 864375, 1763175, 2938625, 8815875, 10837649, 14693125, 32512947, 44079375, 54188245, 162564735, 270941225, 812823675, 1354706125, 4064118375, 6773530625, 20320591875]

約数ペア:

[(1, 20320591875), (3, 6773530625), (5, 4064118375), (15, 1354706125), (25, 812823675), (75, 270941225), (125, 162564735), (375, 54188245), (461, 44079375), (625, 32512947), (1383, 14693125), (1875, 10837649), (2305, 8815875), (6915, 2938625), (11525, 1763175), (23509, 864375), (34575, 587725), (57625, 352635), (70527, 288125), (117545, 172875)]