20081724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1181}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 50967840

約数和(自身を除く): 30886116

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 218, 327, 436, 654, 1181, 1308, 1417, 2362, 2834, 3543, 4251, 4724, 5668, 7086, 8502, 14172, 15353, 17004, 30706, 46059, 61412, 92118, 128729, 184236, 257458, 386187, 514916, 772374, 1544748, 1673477, 3346954, 5020431, 6693908, 10040862, 20081724]

約数ペア:

[(1, 20081724), (2, 10040862), (3, 6693908), (4, 5020431), (6, 3346954), (12, 1673477), (13, 1544748), (26, 772374), (39, 514916), (52, 386187), (78, 257458), (109, 184236), (156, 128729), (218, 92118), (327, 61412), (436, 46059), (654, 30706), (1181, 17004), (1308, 15353), (1417, 14172), (2362, 8502), (2834, 7086), (3543, 5668), (4251, 4724)]