20652012

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 55655600

約数和(自身を除く): 35003588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 109, 114, 171, 218, 228, 277, 327, 342, 436, 554, 654, 684, 831, 981, 1108, 1308, 1662, 1962, 2071, 2493, 3324, 3924, 4142, 4986, 5263, 6213, 8284, 9972, 10526, 12426, 15789, 18639, 21052, 24852, 30193, 31578, 37278, 47367, 60386, 63156, 74556, 90579, 94734, 120772, 181158, 189468, 271737, 362316, 543474, 573667, 1086948, 1147334, 1721001, 2294668, 3442002, 5163003, 6884004, 10326006, 20652012]

約数ペア:

[(1, 20652012), (2, 10326006), (3, 6884004), (4, 5163003), (6, 3442002), (9, 2294668), (12, 1721001), (18, 1147334), (19, 1086948), (36, 573667), (38, 543474), (57, 362316), (76, 271737), (109, 189468), (114, 181158), (171, 120772), (218, 94734), (228, 90579), (277, 74556), (327, 63156), (342, 60386), (436, 47367), (554, 37278), (654, 31578), (684, 30193), (831, 24852), (981, 21052), (1108, 18639), (1308, 15789), (1662, 12426), (1962, 10526), (2071, 9972), (2493, 8284), (3324, 6213), (3924, 5263), (4142, 4986)]