20513448

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{6949}}^1$

素因数の和:7002

約数の個数: 48

約数和(自身を含む): 56920500

約数和(自身を除く): 36407052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 6949, 13898, 20847, 27796, 41694, 55592, 62541, 83388, 125082, 166776, 250164, 284909, 500328, 569818, 854727, 1139636, 1709454, 2279272, 2564181, 3418908, 5128362, 6837816, 10256724, 20513448]

約数ペア:

[(1, 20513448), (2, 10256724), (3, 6837816), (4, 5128362), (6, 3418908), (8, 2564181), (9, 2279272), (12, 1709454), (18, 1139636), (24, 854727), (36, 569818), (41, 500328), (72, 284909), (82, 250164), (123, 166776), (164, 125082), (246, 83388), (328, 62541), (369, 55592), (492, 41694), (738, 27796), (984, 20847), (1476, 13898), (2952, 6949)]