20653906

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{401}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 38360448

約数和(自身を除く): 17706542

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 283, 401, 566, 802, 1981, 2807, 3679, 3962, 5213, 5614, 7358, 10426, 25753, 36491, 51506, 72982, 113483, 226966, 794381, 1475279, 1588762, 2950558, 10326953, 20653906]

約数ペア:

[(1, 20653906), (2, 10326953), (7, 2950558), (13, 1588762), (14, 1475279), (26, 794381), (91, 226966), (182, 113483), (283, 72982), (401, 51506), (566, 36491), (802, 25753), (1981, 10426), (2807, 7358), (3679, 5614), (3962, 5213)]