20942096

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{647}}^1$

素因数の和:696

約数の個数: 60

約数和(自身を含む): 49336128

約数和(自身を除く): 28394032

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 289, 476, 578, 647, 952, 1156, 1294, 1904, 2023, 2312, 2588, 4046, 4529, 4624, 5176, 8092, 9058, 10352, 10999, 16184, 18116, 21998, 32368, 36232, 43996, 72464, 76993, 87992, 153986, 175984, 186983, 307972, 373966, 615944, 747932, 1231888, 1308881, 1495864, 2617762, 2991728, 5235524, 10471048, 20942096]

約数ペア:

[(1, 20942096), (2, 10471048), (4, 5235524), (7, 2991728), (8, 2617762), (14, 1495864), (16, 1308881), (17, 1231888), (28, 747932), (34, 615944), (56, 373966), (68, 307972), (112, 186983), (119, 175984), (136, 153986), (238, 87992), (272, 76993), (289, 72464), (476, 43996), (578, 36232), (647, 32368), (952, 21998), (1156, 18116), (1294, 16184), (1904, 10999), (2023, 10352), (2312, 9058), (2588, 8092), (4046, 5176), (4529, 4624)]