20304336

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{2503}}^1$

素因数の和:2540

約数の個数: 60

約数和(自身を含む): 56820768

約数和(自身を除く): 36516432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2503, 2704, 4056, 5006, 7509, 8112, 10012, 15018, 20024, 30036, 32539, 40048, 60072, 65078, 97617, 120144, 130156, 195234, 260312, 390468, 423007, 520624, 780936, 846014, 1269021, 1561872, 1692028, 2538042, 3384056, 5076084, 6768112, 10152168, 20304336]

約数ペア:

[(1, 20304336), (2, 10152168), (3, 6768112), (4, 5076084), (6, 3384056), (8, 2538042), (12, 1692028), (13, 1561872), (16, 1269021), (24, 846014), (26, 780936), (39, 520624), (48, 423007), (52, 390468), (78, 260312), (104, 195234), (156, 130156), (169, 120144), (208, 97617), (312, 65078), (338, 60072), (507, 40048), (624, 32539), (676, 30036), (1014, 20024), (1352, 15018), (2028, 10012), (2503, 8112), (2704, 7509), (4056, 5006)]