20653470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13499}}^1$

素因数の和:13529

約数の個数: 48

約数和(自身を含む): 56862000

約数和(自身を除く): 36208530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13499, 26998, 40497, 67495, 80994, 121491, 134990, 202485, 229483, 242982, 404970, 458966, 607455, 688449, 1147415, 1214910, 1376898, 2065347, 2294830, 3442245, 4130694, 6884490, 10326735, 20653470]

約数ペア:

[(1, 20653470), (2, 10326735), (3, 6884490), (5, 4130694), (6, 3442245), (9, 2294830), (10, 2065347), (15, 1376898), (17, 1214910), (18, 1147415), (30, 688449), (34, 607455), (45, 458966), (51, 404970), (85, 242982), (90, 229483), (102, 202485), (153, 134990), (170, 121491), (255, 80994), (306, 67495), (510, 40497), (765, 26998), (1530, 13499)]