20248950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2213}}^1$

素因数の和:2289

約数の個数: 48

約数和(自身を含む): 51063696

約数和(自身を除く): 30814746

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 610, 915, 1525, 1830, 2213, 3050, 4426, 4575, 6639, 9150, 11065, 13278, 22130, 33195, 55325, 66390, 110650, 134993, 165975, 269986, 331950, 404979, 674965, 809958, 1349930, 2024895, 3374825, 4049790, 6749650, 10124475, 20248950]

約数ペア:

[(1, 20248950), (2, 10124475), (3, 6749650), (5, 4049790), (6, 3374825), (10, 2024895), (15, 1349930), (25, 809958), (30, 674965), (50, 404979), (61, 331950), (75, 269986), (122, 165975), (150, 134993), (183, 110650), (305, 66390), (366, 55325), (610, 33195), (915, 22130), (1525, 13278), (1830, 11065), (2213, 9150), (3050, 6639), (4426, 4575)]