20717507564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1\times {\mathrm{10247}}^1$

素因数の和:10982

約数の個数: 48

約数和(自身を含む): 39770438400

約数和(自身を除く): 19052930836

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 659, 767, 1318, 1534, 2636, 3068, 8567, 10247, 17134, 20494, 34268, 38881, 40988, 77762, 133211, 155524, 266422, 505453, 532844, 604573, 1010906, 1209146, 2021812, 2418292, 6752773, 7859449, 13505546, 15718898, 27011092, 31437796, 87786049, 175572098, 351144196, 398413607, 796827214, 1593654428, 5179376891, 10358753782, 20717507564]

約数ペア:

[(1, 20717507564), (2, 10358753782), (4, 5179376891), (13, 1593654428), (26, 796827214), (52, 398413607), (59, 351144196), (118, 175572098), (236, 87786049), (659, 31437796), (767, 27011092), (1318, 15718898), (1534, 13505546), (2636, 7859449), (3068, 6752773), (8567, 2418292), (10247, 2021812), (17134, 1209146), (20494, 1010906), (34268, 604573), (38881, 532844), (40988, 505453), (77762, 266422), (133211, 155524)]