20727240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3259}}^1$

素因数の和:3326

約数の個数: 64

約数和(自身を含む): 63374400

約数和(自身を除く): 42647160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 3259, 6360, 6518, 9777, 13036, 16295, 19554, 26072, 32590, 39108, 48885, 65180, 78216, 97770, 130360, 172727, 195540, 345454, 391080, 518181, 690908, 863635, 1036362, 1381816, 1727270, 2072724, 2590905, 3454540, 4145448, 5181810, 6909080, 10363620, 20727240]

約数ペア:

[(1, 20727240), (2, 10363620), (3, 6909080), (4, 5181810), (5, 4145448), (6, 3454540), (8, 2590905), (10, 2072724), (12, 1727270), (15, 1381816), (20, 1036362), (24, 863635), (30, 690908), (40, 518181), (53, 391080), (60, 345454), (106, 195540), (120, 172727), (159, 130360), (212, 97770), (265, 78216), (318, 65180), (424, 48885), (530, 39108), (636, 32590), (795, 26072), (1060, 19554), (1272, 16295), (1590, 13036), (2120, 9777), (3180, 6518), (3259, 6360)]