20161566700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{30497}}^1$

素因数の和:31123

約数の個数: 72

約数和(自身を含む): 47808908784

約数和(自身を除く): 27647342084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 601, 1100, 1202, 2404, 3005, 6010, 6611, 12020, 13222, 15025, 26444, 30050, 30497, 33055, 60100, 60994, 66110, 121988, 132220, 152485, 165275, 304970, 330550, 335467, 609940, 661100, 670934, 762425, 1341868, 1524850, 1677335, 3049700, 3354670, 6709340, 8386675, 16773350, 18328697, 33546700, 36657394, 73314788, 91643485, 183286970, 201615667, 366573940, 403231334, 458217425, 806462668, 916434850, 1008078335, 1832869700, 2016156670, 4032313340, 5040391675, 10080783350, 20161566700]

約数ペア:

[(1, 20161566700), (2, 10080783350), (4, 5040391675), (5, 4032313340), (10, 2016156670), (11, 1832869700), (20, 1008078335), (22, 916434850), (25, 806462668), (44, 458217425), (50, 403231334), (55, 366573940), (100, 201615667), (110, 183286970), (220, 91643485), (275, 73314788), (550, 36657394), (601, 33546700), (1100, 18328697), (1202, 16773350), (2404, 8386675), (3005, 6709340), (6010, 3354670), (6611, 3049700), (12020, 1677335), (13222, 1524850), (15025, 1341868), (26444, 762425), (30050, 670934), (30497, 661100), (33055, 609940), (60100, 335467), (60994, 330550), (66110, 304970), (121988, 165275), (132220, 152485)]