20427360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42557}}^1$

素因数の和:42575

約数の個数: 48

約数和(自身を含む): 64347696

約数和(自身を除く): 43920336

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, 42557, 85114, 127671, 170228, 212785, 255342, 340456, 425570, 510684, 638355, 680912, 851140, 1021368, 1276710, 1361824, 1702280, 2042736, 2553420, 3404560, 4085472, 5106840, 6809120, 10213680, 20427360]

約数ペア:

[(1, 20427360), (2, 10213680), (3, 6809120), (4, 5106840), (5, 4085472), (6, 3404560), (8, 2553420), (10, 2042736), (12, 1702280), (15, 1361824), (16, 1276710), (20, 1021368), (24, 851140), (30, 680912), (32, 638355), (40, 510684), (48, 425570), (60, 340456), (80, 255342), (96, 212785), (120, 170228), (160, 127671), (240, 85114), (480, 42557)]