20086040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 51846480

約数和(自身を除く): 31760440

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 107, 130, 152, 190, 214, 247, 260, 361, 380, 428, 494, 520, 535, 722, 760, 856, 988, 1070, 1235, 1391, 1444, 1805, 1976, 2033, 2140, 2470, 2782, 2888, 3610, 4066, 4280, 4693, 4940, 5564, 6955, 7220, 8132, 9386, 9880, 10165, 11128, 13910, 14440, 16264, 18772, 20330, 23465, 26429, 27820, 37544, 38627, 40660, 46930, 52858, 55640, 77254, 81320, 93860, 105716, 132145, 154508, 187720, 193135, 211432, 264290, 309016, 386270, 502151, 528580, 772540, 1004302, 1057160, 1545080, 2008604, 2510755, 4017208, 5021510, 10043020, 20086040]

約数ペア:

[(1, 20086040), (2, 10043020), (4, 5021510), (5, 4017208), (8, 2510755), (10, 2008604), (13, 1545080), (19, 1057160), (20, 1004302), (26, 772540), (38, 528580), (40, 502151), (52, 386270), (65, 309016), (76, 264290), (95, 211432), (104, 193135), (107, 187720), (130, 154508), (152, 132145), (190, 105716), (214, 93860), (247, 81320), (260, 77254), (361, 55640), (380, 52858), (428, 46930), (494, 40660), (520, 38627), (535, 37544), (722, 27820), (760, 26429), (856, 23465), (988, 20330), (1070, 18772), (1235, 16264), (1391, 14440), (1444, 13910), (1805, 11128), (1976, 10165), (2033, 9880), (2140, 9386), (2470, 8132), (2782, 7220), (2888, 6955), (3610, 5564), (4066, 4940), (4280, 4693)]