20700246

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 48550320

約数和(自身を除く): 27850074

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 181, 294, 362, 389, 543, 778, 1086, 1167, 1267, 2334, 2534, 2723, 3801, 5446, 7602, 8169, 8869, 16338, 17738, 19061, 26607, 38122, 53214, 57183, 70409, 114366, 140818, 211227, 422454, 492863, 985726, 1478589, 2957178, 3450041, 6900082, 10350123, 20700246]

約数ペア:

[(1, 20700246), (2, 10350123), (3, 6900082), (6, 3450041), (7, 2957178), (14, 1478589), (21, 985726), (42, 492863), (49, 422454), (98, 211227), (147, 140818), (181, 114366), (294, 70409), (362, 57183), (389, 53214), (543, 38122), (778, 26607), (1086, 19061), (1167, 17738), (1267, 16338), (2334, 8869), (2534, 8169), (2723, 7602), (3801, 5446)]