20326956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{569}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 51391200

約数和(自身を除く): 31064244

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 229, 458, 569, 687, 916, 1138, 1374, 1707, 2276, 2748, 2977, 3414, 5954, 6828, 7397, 8931, 11908, 14794, 17862, 22191, 29588, 35724, 44382, 88764, 130301, 260602, 390903, 521204, 781806, 1563612, 1693913, 3387826, 5081739, 6775652, 10163478, 20326956]

約数ペア:

[(1, 20326956), (2, 10163478), (3, 6775652), (4, 5081739), (6, 3387826), (12, 1693913), (13, 1563612), (26, 781806), (39, 521204), (52, 390903), (78, 260602), (156, 130301), (229, 88764), (458, 44382), (569, 35724), (687, 29588), (916, 22191), (1138, 17862), (1374, 14794), (1707, 11908), (2276, 8931), (2748, 7397), (2977, 6828), (3414, 5954)]