20808211860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{7027}}^1\times {\mathrm{16451}}^1$

素因数の和:23493

約数の個数: 72

約数和(自身を含む): 63131062176

約数和(自身を除く): 42322850316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 7027, 14054, 16451, 21081, 28108, 32902, 35135, 42162, 49353, 63243, 65804, 70270, 82255, 84324, 98706, 105405, 126486, 140540, 148059, 164510, 197412, 210810, 246765, 252972, 296118, 316215, 329020, 421620, 493530, 592236, 632430, 740295, 987060, 1264860, 1480590, 2961180, 115601177, 231202354, 346803531, 462404708, 578005885, 693607062, 1040410593, 1156011770, 1387214124, 1734017655, 2080821186, 2312023540, 3468035310, 4161642372, 5202052965, 6936070620, 10404105930, 20808211860]

約数ペア:

[(1, 20808211860), (2, 10404105930), (3, 6936070620), (4, 5202052965), (5, 4161642372), (6, 3468035310), (9, 2312023540), (10, 2080821186), (12, 1734017655), (15, 1387214124), (18, 1156011770), (20, 1040410593), (30, 693607062), (36, 578005885), (45, 462404708), (60, 346803531), (90, 231202354), (180, 115601177), (7027, 2961180), (14054, 1480590), (16451, 1264860), (21081, 987060), (28108, 740295), (32902, 632430), (35135, 592236), (42162, 493530), (49353, 421620), (63243, 329020), (65804, 316215), (70270, 296118), (82255, 252972), (84324, 246765), (98706, 210810), (105405, 197412), (126486, 164510), (140540, 148059)]