20878992

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{2843}}^1$

素因数の和:2877

約数の個数: 80

約数和(自身を含む): 63478080

約数和(自身を除く): 42599088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 102, 108, 136, 144, 153, 204, 216, 272, 306, 408, 432, 459, 612, 816, 918, 1224, 1836, 2448, 2843, 3672, 5686, 7344, 8529, 11372, 17058, 22744, 25587, 34116, 45488, 48331, 51174, 68232, 76761, 96662, 102348, 136464, 144993, 153522, 193324, 204696, 289986, 307044, 386648, 409392, 434979, 579972, 614088, 773296, 869958, 1159944, 1228176, 1304937, 1739916, 2319888, 2609874, 3479832, 5219748, 6959664, 10439496, 20878992]

約数ペア:

[(1, 20878992), (2, 10439496), (3, 6959664), (4, 5219748), (6, 3479832), (8, 2609874), (9, 2319888), (12, 1739916), (16, 1304937), (17, 1228176), (18, 1159944), (24, 869958), (27, 773296), (34, 614088), (36, 579972), (48, 434979), (51, 409392), (54, 386648), (68, 307044), (72, 289986), (102, 204696), (108, 193324), (136, 153522), (144, 144993), (153, 136464), (204, 102348), (216, 96662), (272, 76761), (306, 68232), (408, 51174), (432, 48331), (459, 45488), (612, 34116), (816, 25587), (918, 22744), (1224, 17058), (1836, 11372), (2448, 8529), (2843, 7344), (3672, 5686)]