20142655720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1990381}}^1$

素因数の和:1990426

約数の個数: 64

約数和(自身を含む): 51590701440

約数和(自身を除く): 31448045720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2530, 5060, 10120, 1990381, 3980762, 7961524, 9951905, 15923048, 19903810, 21894191, 39807620, 43788382, 45778763, 79615240, 87576764, 91557526, 109470955, 175153528, 183115052, 218941910, 228893815, 366230104, 437883820, 457787630, 503566393, 875767640, 915575260, 1007132786, 1831150520, 2014265572, 2517831965, 4028531144, 5035663930, 10071327860, 20142655720]

約数ペア:

[(1, 20142655720), (2, 10071327860), (4, 5035663930), (5, 4028531144), (8, 2517831965), (10, 2014265572), (11, 1831150520), (20, 1007132786), (22, 915575260), (23, 875767640), (40, 503566393), (44, 457787630), (46, 437883820), (55, 366230104), (88, 228893815), (92, 218941910), (110, 183115052), (115, 175153528), (184, 109470955), (220, 91557526), (230, 87576764), (253, 79615240), (440, 45778763), (460, 43788382), (506, 39807620), (920, 21894191), (1012, 19903810), (1265, 15923048), (2024, 9951905), (2530, 7961524), (5060, 3980762), (10120, 1990381)]