20736240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12343}}^1$

素因数の和:12366

約数の個数: 80

約数和(自身を含む): 73471488

約数和(自身を除く): 52735248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12343, 24686, 37029, 49372, 61715, 74058, 86401, 98744, 123430, 148116, 172802, 185145, 197488, 246860, 259203, 296232, 345604, 370290, 432005, 493720, 518406, 592464, 691208, 740580, 864010, 987440, 1036812, 1296015, 1382416, 1481160, 1728020, 2073624, 2592030, 2962320, 3456040, 4147248, 5184060, 6912080, 10368120, 20736240]

約数ペア:

[(1, 20736240), (2, 10368120), (3, 6912080), (4, 5184060), (5, 4147248), (6, 3456040), (7, 2962320), (8, 2592030), (10, 2073624), (12, 1728020), (14, 1481160), (15, 1382416), (16, 1296015), (20, 1036812), (21, 987440), (24, 864010), (28, 740580), (30, 691208), (35, 592464), (40, 518406), (42, 493720), (48, 432005), (56, 370290), (60, 345604), (70, 296232), (80, 259203), (84, 246860), (105, 197488), (112, 185145), (120, 172802), (140, 148116), (168, 123430), (210, 98744), (240, 86401), (280, 74058), (336, 61715), (420, 49372), (560, 37029), (840, 24686), (1680, 12343)]