20389392

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8329}}^1$

素因数の和:8360

約数の個数: 60

約数和(自身を含む): 60425820

約数和(自身を除く): 40036428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8329, 16658, 24987, 33316, 49974, 66632, 74961, 99948, 133264, 141593, 149922, 199896, 283186, 299844, 399792, 424779, 566372, 599688, 849558, 1132744, 1199376, 1274337, 1699116, 2265488, 2548674, 3398232, 5097348, 6796464, 10194696, 20389392]

約数ペア:

[(1, 20389392), (2, 10194696), (3, 6796464), (4, 5097348), (6, 3398232), (8, 2548674), (9, 2265488), (12, 1699116), (16, 1274337), (17, 1199376), (18, 1132744), (24, 849558), (34, 599688), (36, 566372), (48, 424779), (51, 399792), (68, 299844), (72, 283186), (102, 199896), (136, 149922), (144, 141593), (153, 133264), (204, 99948), (272, 74961), (306, 66632), (408, 49974), (612, 33316), (816, 24987), (1224, 16658), (2448, 8329)]