20383940880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{913259}}^1$

素因数の和:913309

約数の個数: 120

約数和(自身を含む): 70664405760

約数和(自身を除く): 50280464880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 913259, 1826518, 2739777, 3653036, 4566295, 5479554, 7306072, 8219331, 9132590, 10959108, 13698885, 14612144, 16438662, 18265180, 21918216, 27397770, 28311029, 32877324, 36530360, 41096655, 43836432, 54795540, 56622058, 65754648, 73060720, 82193310, 84933087, 109591080, 113244116, 131509296, 141555145, 164386620, 169866174, 219182160, 226488232, 254799261, 283110290, 328773240, 339732348, 424665435, 452976464, 509598522, 566220580, 657546480, 679464696, 849330870, 1019197044, 1132441160, 1273996305, 1358929392, 1698661740, 2038394088, 2264882320, 2547992610, 3397323480, 4076788176, 5095985220, 6794646960, 10191970440, 20383940880]

約数ペア:

[(1, 20383940880), (2, 10191970440), (3, 6794646960), (4, 5095985220), (5, 4076788176), (6, 3397323480), (8, 2547992610), (9, 2264882320), (10, 2038394088), (12, 1698661740), (15, 1358929392), (16, 1273996305), (18, 1132441160), (20, 1019197044), (24, 849330870), (30, 679464696), (31, 657546480), (36, 566220580), (40, 509598522), (45, 452976464), (48, 424665435), (60, 339732348), (62, 328773240), (72, 283110290), (80, 254799261), (90, 226488232), (93, 219182160), (120, 169866174), (124, 164386620), (144, 141555145), (155, 131509296), (180, 113244116), (186, 109591080), (240, 84933087), (248, 82193310), (279, 73060720), (310, 65754648), (360, 56622058), (372, 54795540), (465, 43836432), (496, 41096655), (558, 36530360), (620, 32877324), (720, 28311029), (744, 27397770), (930, 21918216), (1116, 18265180), (1240, 16438662), (1395, 14612144), (1488, 13698885), (1860, 10959108), (2232, 9132590), (2480, 8219331), (2790, 7306072), (3720, 5479554), (4464, 4566295), (5580, 3653036), (7440, 2739777), (11160, 1826518), (22320, 913259)]