20414160

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:762

約数の個数: 160

約数和(自身を含む): 75828480

約数和(自身を除く): 55414320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 727, 780, 936, 1040, 1080, 1170, 1404, 1454, 1560, 1755, 1872, 2160, 2181, 2340, 2808, 2908, 3120, 3510, 3635, 4362, 4680, 5616, 5816, 6543, 7020, 7270, 8724, 9360, 9451, 10905, 11632, 13086, 14040, 14540, 17448, 18902, 19629, 21810, 26172, 28080, 28353, 29080, 32715, 34896, 37804, 39258, 43620, 47255, 52344, 56706, 58160, 65430, 75608, 78516, 85059, 87240, 94510, 98145, 104688, 113412, 130860, 141765, 151216, 157032, 170118, 174480, 189020, 196290, 226824, 255177, 261720, 283530, 314064, 340236, 378040, 392580, 425295, 453648, 510354, 523440, 567060, 680472, 756080, 785160, 850590, 1020708, 1134120, 1275885, 1360944, 1570320, 1701180, 2041416, 2268240, 2551770, 3402360, 4082832, 5103540, 6804720, 10207080, 20414160]

約数ペア:

[(1, 20414160), (2, 10207080), (3, 6804720), (4, 5103540), (5, 4082832), (6, 3402360), (8, 2551770), (9, 2268240), (10, 2041416), (12, 1701180), (13, 1570320), (15, 1360944), (16, 1275885), (18, 1134120), (20, 1020708), (24, 850590), (26, 785160), (27, 756080), (30, 680472), (36, 567060), (39, 523440), (40, 510354), (45, 453648), (48, 425295), (52, 392580), (54, 378040), (60, 340236), (65, 314064), (72, 283530), (78, 261720), (80, 255177), (90, 226824), (104, 196290), (108, 189020), (117, 174480), (120, 170118), (130, 157032), (135, 151216), (144, 141765), (156, 130860), (180, 113412), (195, 104688), (208, 98145), (216, 94510), (234, 87240), (240, 85059), (260, 78516), (270, 75608), (312, 65430), (351, 58160), (360, 56706), (390, 52344), (432, 47255), (468, 43620), (520, 39258), (540, 37804), (585, 34896), (624, 32715), (702, 29080), (720, 28353), (727, 28080), (780, 26172), (936, 21810), (1040, 19629), (1080, 18902), (1170, 17448), (1404, 14540), (1454, 14040), (1560, 13086), (1755, 11632), (1872, 10905), (2160, 9451), (2181, 9360), (2340, 8724), (2808, 7270), (2908, 7020), (3120, 6543), (3510, 5816), (3635, 5616), (4362, 4680)]