20255724

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^2\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 72

約数和(自身を含む): 54366480

約数和(自身を除く): 34110756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 137, 148, 222, 274, 333, 411, 444, 548, 666, 822, 999, 1233, 1332, 1369, 1644, 1998, 2466, 2738, 3699, 3996, 4107, 4932, 5069, 5476, 7398, 8214, 10138, 12321, 14796, 15207, 16428, 20276, 24642, 30414, 36963, 45621, 49284, 60828, 73926, 91242, 136863, 147852, 182484, 187553, 273726, 375106, 547452, 562659, 750212, 1125318, 1687977, 2250636, 3375954, 5063931, 6751908, 10127862, 20255724]

約数ペア:

[(1, 20255724), (2, 10127862), (3, 6751908), (4, 5063931), (6, 3375954), (9, 2250636), (12, 1687977), (18, 1125318), (27, 750212), (36, 562659), (37, 547452), (54, 375106), (74, 273726), (108, 187553), (111, 182484), (137, 147852), (148, 136863), (222, 91242), (274, 73926), (333, 60828), (411, 49284), (444, 45621), (548, 36963), (666, 30414), (822, 24642), (999, 20276), (1233, 16428), (1332, 15207), (1369, 14796), (1644, 12321), (1998, 10138), (2466, 8214), (2738, 7398), (3699, 5476), (3996, 5069), (4107, 4932)]