20888978145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{12263}}^1\times {\mathrm{16223}}^1$

素因数の和:28501

約数の個数: 32

約数和(自身を含む): 38202458112

約数和(自身を除く): 17313479967

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 12263, 16223, 36789, 48669, 61315, 81115, 85841, 113561, 183945, 243345, 257523, 340683, 429205, 567805, 1287615, 1703415, 198942649, 596827947, 994713245, 1392598543, 2984139735, 4177795629, 6962992715, 20888978145]

約数ペア:

[(1, 20888978145), (3, 6962992715), (5, 4177795629), (7, 2984139735), (15, 1392598543), (21, 994713245), (35, 596827947), (105, 198942649), (12263, 1703415), (16223, 1287615), (36789, 567805), (48669, 429205), (61315, 340683), (81115, 257523), (85841, 243345), (113561, 183945)]