20662164

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{97}}^2$

素因数の和:265

約数の個数: 54

約数和(自身を含む): 53638494

約数和(自身を除く): 32976330

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 97, 122, 183, 194, 244, 291, 366, 388, 549, 582, 732, 873, 1098, 1164, 1746, 2196, 3492, 5917, 9409, 11834, 17751, 18818, 23668, 28227, 35502, 37636, 53253, 56454, 71004, 84681, 106506, 112908, 169362, 213012, 338724, 573949, 1147898, 1721847, 2295796, 3443694, 5165541, 6887388, 10331082, 20662164]

約数ペア:

[(1, 20662164), (2, 10331082), (3, 6887388), (4, 5165541), (6, 3443694), (9, 2295796), (12, 1721847), (18, 1147898), (36, 573949), (61, 338724), (97, 213012), (122, 169362), (183, 112908), (194, 106506), (244, 84681), (291, 71004), (366, 56454), (388, 53253), (549, 37636), (582, 35502), (732, 28227), (873, 23668), (1098, 18818), (1164, 17751), (1746, 11834), (2196, 9409), (3492, 5917)]