20637272788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{25423}}^1$

素因数の和:26428

約数の個数: 48

約数和(自身を含む): 41516375040

約数和(自身を除く): 20879102252

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 971, 1942, 3884, 10681, 18449, 21362, 25423, 36898, 42724, 50846, 73796, 101692, 202939, 279653, 405878, 483037, 559306, 811756, 966074, 1118612, 1932148, 5313407, 10626814, 21253628, 24685733, 49371466, 98742932, 271543063, 469028927, 543086126, 938057854, 1086172252, 1876115708, 5159318197, 10318636394, 20637272788]

約数ペア:

[(1, 20637272788), (2, 10318636394), (4, 5159318197), (11, 1876115708), (19, 1086172252), (22, 938057854), (38, 543086126), (44, 469028927), (76, 271543063), (209, 98742932), (418, 49371466), (836, 24685733), (971, 21253628), (1942, 10626814), (3884, 5313407), (10681, 1932148), (18449, 1118612), (21362, 966074), (25423, 811756), (36898, 559306), (42724, 483037), (50846, 405878), (73796, 279653), (101692, 202939)]