20677986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5659}}^1$

素因数の和:5703

約数の個数: 48

約数和(自身を含む): 52977600

約数和(自身を除く): 32299614

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5659, 11318, 16977, 33954, 39613, 50931, 79226, 101862, 118839, 164111, 237678, 328222, 356517, 492333, 713034, 984666, 1148777, 1476999, 2297554, 2953998, 3446331, 6892662, 10338993, 20677986]

約数ペア:

[(1, 20677986), (2, 10338993), (3, 6892662), (6, 3446331), (7, 2953998), (9, 2297554), (14, 1476999), (18, 1148777), (21, 984666), (29, 713034), (42, 492333), (58, 356517), (63, 328222), (87, 237678), (126, 164111), (174, 118839), (203, 101862), (261, 79226), (406, 50931), (522, 39613), (609, 33954), (1218, 16977), (1827, 11318), (3654, 5659)]