20721150

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{15349}}^1$

素因数の和:15370

約数の個数: 48

約数和(自身を含む): 57102000

約数和(自身を除く): 36380850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350, 15349, 30698, 46047, 76745, 92094, 138141, 153490, 230235, 276282, 383725, 414423, 460470, 690705, 767450, 828846, 1151175, 1381410, 2072115, 2302350, 3453525, 4144230, 6907050, 10360575, 20721150]

約数ペア:

[(1, 20721150), (2, 10360575), (3, 6907050), (5, 4144230), (6, 3453525), (9, 2302350), (10, 2072115), (15, 1381410), (18, 1151175), (25, 828846), (27, 767450), (30, 690705), (45, 460470), (50, 414423), (54, 383725), (75, 276282), (90, 230235), (135, 153490), (150, 138141), (225, 92094), (270, 76745), (450, 46047), (675, 30698), (1350, 15349)]