20218072564

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{21563}}^1$

素因数の和:21792

約数の個数: 48

約数和(自身を含む): 37495483200

約数和(自身を除く): 17277410636

約数列:

[1, 2, 4, 29, 58, 59, 116, 118, 137, 236, 274, 548, 1711, 3422, 3973, 6844, 7946, 8083, 15892, 16166, 21563, 32332, 43126, 86252, 234407, 468814, 625327, 937628, 1250654, 1272217, 2501308, 2544434, 2954131, 5088868, 5908262, 11816524, 36894293, 73788586, 85669799, 147577172, 171339598, 174293729, 342679196, 348587458, 697174916, 5054518141, 10109036282, 20218072564]

約数ペア:

[(1, 20218072564), (2, 10109036282), (4, 5054518141), (29, 697174916), (58, 348587458), (59, 342679196), (116, 174293729), (118, 171339598), (137, 147577172), (236, 85669799), (274, 73788586), (548, 36894293), (1711, 11816524), (3422, 5908262), (3973, 5088868), (6844, 2954131), (7946, 2544434), (8083, 2501308), (15892, 1272217), (16166, 1250654), (21563, 937628), (32332, 625327), (43126, 468814), (86252, 234407)]