20619810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13477}}^1$

素因数の和:13507

約数の個数: 48

約数和(自身を含む): 56769336

約数和(自身を除く): 36149526

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, 13477, 26954, 40431, 67385, 80862, 121293, 134770, 202155, 229109, 242586, 404310, 458218, 606465, 687327, 1145545, 1212930, 1374654, 2061981, 2291090, 3436635, 4123962, 6873270, 10309905, 20619810]

約数ペア:

[(1, 20619810), (2, 10309905), (3, 6873270), (5, 4123962), (6, 3436635), (9, 2291090), (10, 2061981), (15, 1374654), (17, 1212930), (18, 1145545), (30, 687327), (34, 606465), (45, 458218), (51, 404310), (85, 242586), (90, 229109), (102, 202155), (153, 134770), (170, 121293), (255, 80862), (306, 67385), (510, 40431), (765, 26954), (1530, 13477)]