20199562125

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{26161}}^1$

素因数の和:26279

約数の個数: 64

約数和(自身を含む): 35262190080

約数和(自身を除く): 15062627955

約数列:

[1, 3, 5, 15, 25, 29, 71, 75, 87, 125, 145, 213, 355, 375, 435, 725, 1065, 1775, 2059, 2175, 3625, 5325, 6177, 8875, 10295, 10875, 26161, 26625, 30885, 51475, 78483, 130805, 154425, 257375, 392415, 654025, 758669, 772125, 1857431, 1962075, 2276007, 3270125, 3793345, 5572293, 9287155, 9810375, 11380035, 18966725, 27861465, 46435775, 53865499, 56900175, 94833625, 139307325, 161596497, 232178875, 269327495, 284500875, 696536625, 807982485, 1346637475, 4039912425, 6733187375, 20199562125]

約数ペア:

[(1, 20199562125), (3, 6733187375), (5, 4039912425), (15, 1346637475), (25, 807982485), (29, 696536625), (71, 284500875), (75, 269327495), (87, 232178875), (125, 161596497), (145, 139307325), (213, 94833625), (355, 56900175), (375, 53865499), (435, 46435775), (725, 27861465), (1065, 18966725), (1775, 11380035), (2059, 9810375), (2175, 9287155), (3625, 5572293), (5325, 3793345), (6177, 3270125), (8875, 2276007), (10295, 1962075), (10875, 1857431), (26161, 772125), (26625, 758669), (30885, 654025), (51475, 392415), (78483, 257375), (130805, 154425)]