20703840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43133}}^1$

素因数の和:43151

約数の個数: 48

約数和(自身を含む): 65218608

約数和(自身を除く): 44514768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43133, 86266, 129399, 172532, 215665, 258798, 345064, 431330, 517596, 646995, 690128, 862660, 1035192, 1293990, 1380256, 1725320, 2070384, 2587980, 3450640, 4140768, 5175960, 6901280, 10351920, 20703840]

約数ペア:

[(1, 20703840), (2, 10351920), (3, 6901280), (4, 5175960), (5, 4140768), (6, 3450640), (8, 2587980), (10, 2070384), (12, 1725320), (15, 1380256), (16, 1293990), (20, 1035192), (24, 862660), (30, 690128), (32, 646995), (40, 517596), (48, 431330), (60, 345064), (80, 258798), (96, 215665), (120, 172532), (160, 129399), (240, 86266), (480, 43133)]