20431920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85133}}^1$

素因数の和:85149

約数の個数: 40

約数和(自身を含む): 63339696

約数和(自身を除く): 42907776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85133, 170266, 255399, 340532, 425665, 510798, 681064, 851330, 1021596, 1276995, 1362128, 1702660, 2043192, 2553990, 3405320, 4086384, 5107980, 6810640, 10215960, 20431920]

約数ペア:

[(1, 20431920), (2, 10215960), (3, 6810640), (4, 5107980), (5, 4086384), (6, 3405320), (8, 2553990), (10, 2043192), (12, 1702660), (15, 1362128), (16, 1276995), (20, 1021596), (24, 851330), (30, 681064), (40, 510798), (48, 425665), (60, 340532), (80, 255399), (120, 170266), (240, 85133)]