20571807440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15126329}}^1$

素因数の和:15126359

約数の個数: 40

約数和(自身を含む): 50642952840

約数和(自身を除く): 30071145400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 15126329, 30252658, 60505316, 75631645, 121010632, 151263290, 242021264, 257147593, 302526580, 514295186, 605053160, 1028590372, 1210106320, 1285737965, 2057180744, 2571475930, 4114361488, 5142951860, 10285903720, 20571807440]

約数ペア:

[(1, 20571807440), (2, 10285903720), (4, 5142951860), (5, 4114361488), (8, 2571475930), (10, 2057180744), (16, 1285737965), (17, 1210106320), (20, 1028590372), (34, 605053160), (40, 514295186), (68, 302526580), (80, 257147593), (85, 242021264), (136, 151263290), (170, 121010632), (272, 75631645), (340, 60505316), (680, 30252658), (1360, 15126329)]