20851866

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2267}}^1$

素因数の和:2355

約数の個数: 48

約数和(自身を含む): 52363584

約数和(自身を除く): 31511718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 73, 126, 146, 219, 438, 511, 657, 1022, 1314, 1533, 2267, 3066, 4534, 4599, 6801, 9198, 13602, 15869, 20403, 31738, 40806, 47607, 95214, 142821, 165491, 285642, 330982, 496473, 992946, 1158437, 1489419, 2316874, 2978838, 3475311, 6950622, 10425933, 20851866]

約数ペア:

[(1, 20851866), (2, 10425933), (3, 6950622), (6, 3475311), (7, 2978838), (9, 2316874), (14, 1489419), (18, 1158437), (21, 992946), (42, 496473), (63, 330982), (73, 285642), (126, 165491), (146, 142821), (219, 95214), (438, 47607), (511, 40806), (657, 31738), (1022, 20403), (1314, 15869), (1533, 13602), (2267, 9198), (3066, 6801), (4534, 4599)]