20149661428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{455339}}^1$

素因数の和:455416

約数の個数: 48

約数和(自身を含む): 40696467840

約数和(自身を除く): 20546806412

約数列:

[1, 2, 4, 13, 23, 26, 37, 46, 52, 74, 92, 148, 299, 481, 598, 851, 962, 1196, 1702, 1924, 3404, 11063, 22126, 44252, 455339, 910678, 1821356, 5919407, 10472797, 11838814, 16847543, 20945594, 23677628, 33695086, 41891188, 67390172, 136146361, 219018059, 272292722, 387493489, 438036118, 544585444, 774986978, 876072236, 1549973956, 5037415357, 10074830714, 20149661428]

約数ペア:

[(1, 20149661428), (2, 10074830714), (4, 5037415357), (13, 1549973956), (23, 876072236), (26, 774986978), (37, 544585444), (46, 438036118), (52, 387493489), (74, 272292722), (92, 219018059), (148, 136146361), (299, 67390172), (481, 41891188), (598, 33695086), (851, 23677628), (962, 20945594), (1196, 16847543), (1702, 11838814), (1924, 10472797), (3404, 5919407), (11063, 1821356), (22126, 910678), (44252, 455339)]