20615730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40423}}^1$

素因数の和:40450

約数の個数: 32

約数和(自身を含む): 52389504

約数和(自身を除く): 31773774

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 40423, 80846, 121269, 202115, 242538, 404230, 606345, 687191, 1212690, 1374382, 2061573, 3435955, 4123146, 6871910, 10307865, 20615730]

約数ペア:

[(1, 20615730), (2, 10307865), (3, 6871910), (5, 4123146), (6, 3435955), (10, 2061573), (15, 1374382), (17, 1212690), (30, 687191), (34, 606345), (51, 404230), (85, 242538), (102, 202115), (170, 121269), (255, 80846), (510, 40423)]