20384730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{733}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 54961920

約数和(自身を除く): 34577190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 103, 135, 206, 270, 309, 515, 618, 733, 927, 1030, 1466, 1545, 1854, 2199, 2781, 3090, 3665, 4398, 4635, 5562, 6597, 7330, 9270, 10995, 13194, 13905, 19791, 21990, 27810, 32985, 39582, 65970, 75499, 98955, 150998, 197910, 226497, 377495, 452994, 679491, 754990, 1132485, 1358982, 2038473, 2264970, 3397455, 4076946, 6794910, 10192365, 20384730]

約数ペア:

[(1, 20384730), (2, 10192365), (3, 6794910), (5, 4076946), (6, 3397455), (9, 2264970), (10, 2038473), (15, 1358982), (18, 1132485), (27, 754990), (30, 679491), (45, 452994), (54, 377495), (90, 226497), (103, 197910), (135, 150998), (206, 98955), (270, 75499), (309, 65970), (515, 39582), (618, 32985), (733, 27810), (927, 21990), (1030, 19791), (1466, 13905), (1545, 13194), (1854, 10995), (2199, 9270), (2781, 7330), (3090, 6597), (3665, 5562), (4398, 4635)]