20218246867

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1\times {\mathrm{677}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 25606530432

約数和(自身を除く): 5388283565

約数列:

[1, 7, 13, 49, 91, 173, 271, 637, 677, 1211, 1897, 2249, 3523, 4739, 8477, 8801, 13279, 15743, 24661, 33173, 46883, 61607, 110201, 117121, 172627, 183467, 328181, 431249, 609479, 819847, 1284269, 1522573, 2297267, 2385071, 4266353, 5738929, 8989883, 10658011, 16695497, 29864471, 31739791, 74606077, 116868479, 222178537, 412617283, 1555249759, 2888320981, 20218246867]

約数ペア:

[(1, 20218246867), (7, 2888320981), (13, 1555249759), (49, 412617283), (91, 222178537), (173, 116868479), (271, 74606077), (637, 31739791), (677, 29864471), (1211, 16695497), (1897, 10658011), (2249, 8989883), (3523, 5738929), (4739, 4266353), (8477, 2385071), (8801, 2297267), (13279, 1522573), (15743, 1284269), (24661, 819847), (33173, 609479), (46883, 431249), (61607, 328181), (110201, 183467), (117121, 172627)]