20215398625

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{3221}}^1$

素因数の和:3355

約数の個数: 64

約数和(自身を含む): 27504023040

約数和(自身を除く): 7288624415

約数列:

[1, 5, 23, 25, 37, 59, 115, 125, 185, 295, 575, 851, 925, 1357, 1475, 2183, 2875, 3221, 4255, 4625, 6785, 7375, 10915, 16105, 21275, 33925, 50209, 54575, 74083, 80525, 106375, 119177, 169625, 190039, 251045, 272875, 370415, 402625, 595885, 950195, 1255225, 1852075, 2741071, 2979425, 4370897, 4750975, 6276125, 7031443, 9260375, 13705355, 14897125, 21854485, 23754875, 35157215, 68526775, 109272425, 161723189, 175786075, 342633875, 546362125, 808615945, 878930375, 4043079725, 20215398625]

約数ペア:

[(1, 20215398625), (5, 4043079725), (23, 878930375), (25, 808615945), (37, 546362125), (59, 342633875), (115, 175786075), (125, 161723189), (185, 109272425), (295, 68526775), (575, 35157215), (851, 23754875), (925, 21854485), (1357, 14897125), (1475, 13705355), (2183, 9260375), (2875, 7031443), (3221, 6276125), (4255, 4750975), (4625, 4370897), (6785, 2979425), (7375, 2741071), (10915, 1852075), (16105, 1255225), (21275, 950195), (33925, 595885), (50209, 402625), (54575, 370415), (74083, 272875), (80525, 251045), (106375, 190039), (119177, 169625)]