20590668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 60147360

約数和(自身を除く): 39556692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 809, 909, 1212, 1414, 1618, 1818, 2121, 2427, 2828, 3236, 3636, 4242, 4854, 5663, 6363, 7281, 8484, 9708, 11326, 12726, 14562, 16989, 22652, 25452, 29124, 33978, 50967, 67956, 81709, 101934, 163418, 203868, 245127, 326836, 490254, 571963, 735381, 980508, 1143926, 1470762, 1715889, 2287852, 2941524, 3431778, 5147667, 6863556, 10295334, 20590668]

約数ペア:

[(1, 20590668), (2, 10295334), (3, 6863556), (4, 5147667), (6, 3431778), (7, 2941524), (9, 2287852), (12, 1715889), (14, 1470762), (18, 1143926), (21, 980508), (28, 735381), (36, 571963), (42, 490254), (63, 326836), (84, 245127), (101, 203868), (126, 163418), (202, 101934), (252, 81709), (303, 67956), (404, 50967), (606, 33978), (707, 29124), (809, 25452), (909, 22652), (1212, 16989), (1414, 14562), (1618, 12726), (1818, 11326), (2121, 9708), (2427, 8484), (2828, 7281), (3236, 6363), (3636, 5663), (4242, 4854)]