20139245556

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{645737}}^1$

素因数の和:645880

約数の個数: 48

約数和(自身を含む): 49468696704

約数和(自身を除く): 29329451148

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 113, 138, 226, 276, 339, 452, 678, 1356, 2599, 5198, 7797, 10396, 15594, 31188, 645737, 1291474, 1937211, 2582948, 3874422, 7748844, 14851951, 29703902, 44555853, 59407804, 72968281, 89111706, 145936562, 178223412, 218904843, 291873124, 437809686, 875619372, 1678270463, 3356540926, 5034811389, 6713081852, 10069622778, 20139245556]

約数ペア:

[(1, 20139245556), (2, 10069622778), (3, 6713081852), (4, 5034811389), (6, 3356540926), (12, 1678270463), (23, 875619372), (46, 437809686), (69, 291873124), (92, 218904843), (113, 178223412), (138, 145936562), (226, 89111706), (276, 72968281), (339, 59407804), (452, 44555853), (678, 29703902), (1356, 14851951), (2599, 7748844), (5198, 3874422), (7797, 2582948), (10396, 1937211), (15594, 1291474), (31188, 645737)]