20648610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{733}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 53931384

約数和(自身を除く): 33282774

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 313, 626, 733, 939, 1466, 1565, 1878, 2199, 2817, 3130, 3665, 4398, 4695, 5634, 6597, 7330, 9390, 10995, 13194, 14085, 21990, 28170, 32985, 65970, 229429, 458858, 688287, 1147145, 1376574, 2064861, 2294290, 3441435, 4129722, 6882870, 10324305, 20648610]

約数ペア:

[(1, 20648610), (2, 10324305), (3, 6882870), (5, 4129722), (6, 3441435), (9, 2294290), (10, 2064861), (15, 1376574), (18, 1147145), (30, 688287), (45, 458858), (90, 229429), (313, 65970), (626, 32985), (733, 28170), (939, 21990), (1466, 14085), (1565, 13194), (1878, 10995), (2199, 9390), (2817, 7330), (3130, 6597), (3665, 5634), (4398, 4695)]