20177498875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{119659}}^1$

素因数の和:119764

約数の個数: 32

約数和(自身を含む): 26880422400

約数和(自身を除く): 6702923525

約数列:

[1, 5, 19, 25, 71, 95, 125, 355, 475, 1349, 1775, 2375, 6745, 8875, 33725, 119659, 168625, 598295, 2273521, 2991475, 8495789, 11367605, 14957375, 42478945, 56838025, 161419991, 212394725, 284190125, 807099955, 1061973625, 4035499775, 20177498875]

約数ペア:

[(1, 20177498875), (5, 4035499775), (19, 1061973625), (25, 807099955), (71, 284190125), (95, 212394725), (125, 161419991), (355, 56838025), (475, 42478945), (1349, 14957375), (1775, 11367605), (2375, 8495789), (6745, 2991475), (8875, 2273521), (33725, 598295), (119659, 168625)]