20081908088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{34963}}^1$

素因数の和:35148

約数の個数: 64

約数和(自身を含む): 42141409920

約数和(自身を除く): 22059501832

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 107, 122, 214, 244, 428, 488, 671, 856, 1177, 1342, 2354, 2684, 4708, 5368, 6527, 9416, 13054, 26108, 34963, 52216, 69926, 71797, 139852, 143594, 279704, 287188, 384593, 574376, 769186, 1538372, 2132743, 3076744, 3741041, 4265486, 7482082, 8530972, 14964164, 17061944, 23460173, 29928328, 41151451, 46920346, 82302902, 93840692, 164605804, 187681384, 228203501, 329211608, 456407002, 912814004, 1825628008, 2510238511, 5020477022, 10040954044, 20081908088]

約数ペア:

[(1, 20081908088), (2, 10040954044), (4, 5020477022), (8, 2510238511), (11, 1825628008), (22, 912814004), (44, 456407002), (61, 329211608), (88, 228203501), (107, 187681384), (122, 164605804), (214, 93840692), (244, 82302902), (428, 46920346), (488, 41151451), (671, 29928328), (856, 23460173), (1177, 17061944), (1342, 14964164), (2354, 8530972), (2684, 7482082), (4708, 4265486), (5368, 3741041), (6527, 3076744), (9416, 2132743), (13054, 1538372), (26108, 769186), (34963, 574376), (52216, 384593), (69926, 287188), (71797, 279704), (139852, 143594)]