20054853

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 36481536

約数和(自身を除く): 16426683

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 63, 91, 117, 141, 273, 329, 423, 521, 611, 819, 987, 1563, 1833, 2961, 3647, 4277, 4689, 5499, 6773, 10941, 12831, 20319, 24487, 32823, 38493, 47411, 60957, 73461, 142233, 171409, 220383, 318331, 426699, 514227, 954993, 1542681, 2228317, 2864979, 6684951, 20054853]

約数ペア:

[(1, 20054853), (3, 6684951), (7, 2864979), (9, 2228317), (13, 1542681), (21, 954993), (39, 514227), (47, 426699), (63, 318331), (91, 220383), (117, 171409), (141, 142233), (273, 73461), (329, 60957), (423, 47411), (521, 38493), (611, 32823), (819, 24487), (987, 20319), (1563, 12831), (1833, 10941), (2961, 6773), (3647, 5499), (4277, 4689)]