20836530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1$

素因数の和:1656

約数の個数: 96

約数和(自身を含む): 63685440

約数和(自身を除く): 42848910

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 330, 390, 429, 495, 585, 715, 858, 990, 1170, 1287, 1430, 1619, 2145, 2574, 3238, 4290, 4857, 6435, 8095, 9714, 12870, 14571, 16190, 17809, 21047, 24285, 29142, 35618, 42094, 48570, 53427, 63141, 72855, 89045, 105235, 106854, 126282, 145710, 160281, 178090, 189423, 210470, 231517, 267135, 315705, 320562, 378846, 463034, 534270, 631410, 694551, 801405, 947115, 1157585, 1389102, 1602810, 1894230, 2083653, 2315170, 3472755, 4167306, 6945510, 10418265, 20836530]

約数ペア:

[(1, 20836530), (2, 10418265), (3, 6945510), (5, 4167306), (6, 3472755), (9, 2315170), (10, 2083653), (11, 1894230), (13, 1602810), (15, 1389102), (18, 1157585), (22, 947115), (26, 801405), (30, 694551), (33, 631410), (39, 534270), (45, 463034), (55, 378846), (65, 320562), (66, 315705), (78, 267135), (90, 231517), (99, 210470), (110, 189423), (117, 178090), (130, 160281), (143, 145710), (165, 126282), (195, 106854), (198, 105235), (234, 89045), (286, 72855), (330, 63141), (390, 53427), (429, 48570), (495, 42094), (585, 35618), (715, 29142), (858, 24285), (990, 21047), (1170, 17809), (1287, 16190), (1430, 14571), (1619, 12870), (2145, 9714), (2574, 8095), (3238, 6435), (4290, 4857)]