20438160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85159}}^1$

素因数の和:85175

約数の個数: 40

約数和(自身を含む): 63359040

約数和(自身を除く): 42920880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85159, 170318, 255477, 340636, 425795, 510954, 681272, 851590, 1021908, 1277385, 1362544, 1703180, 2043816, 2554770, 3406360, 4087632, 5109540, 6812720, 10219080, 20438160]

約数ペア:

[(1, 20438160), (2, 10219080), (3, 6812720), (4, 5109540), (5, 4087632), (6, 3406360), (8, 2554770), (10, 2043816), (12, 1703180), (15, 1362544), (16, 1277385), (20, 1021908), (24, 851590), (30, 681272), (40, 510954), (48, 425795), (60, 340636), (80, 255477), (120, 170318), (240, 85159)]