20439768

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16069}}^1$

素因数の和:16131

約数の個数: 32

約数和(自身を含む): 52066800

約数和(自身を除く): 31627032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16069, 32138, 48207, 64276, 96414, 128552, 192828, 385656, 851657, 1703314, 2554971, 3406628, 5109942, 6813256, 10219884, 20439768]

約数ペア:

[(1, 20439768), (2, 10219884), (3, 6813256), (4, 5109942), (6, 3406628), (8, 2554971), (12, 1703314), (24, 851657), (53, 385656), (106, 192828), (159, 128552), (212, 96414), (318, 64276), (424, 48207), (636, 32138), (1272, 16069)]