20035071

素因数分解:

$3^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:452

約数の個数: 36

約数和(自身を含む): 33985224

約数和(自身を除く): 13950153

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 181, 251, 441, 543, 753, 1267, 1629, 1757, 2259, 3801, 5271, 8869, 11403, 12299, 15813, 26607, 36897, 45431, 79821, 110691, 136293, 318017, 408879, 954051, 2226119, 2862153, 6678357, 20035071]

約数ペア:

[(1, 20035071), (3, 6678357), (7, 2862153), (9, 2226119), (21, 954051), (49, 408879), (63, 318017), (147, 136293), (181, 110691), (251, 79821), (441, 45431), (543, 36897), (753, 26607), (1267, 15813), (1629, 12299), (1757, 11403), (2259, 8869), (3801, 5271)]