20485300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1693}}^1$

素因数の和:1729

約数の個数: 54

約数和(自身を含む): 48890534

約数和(自身を除く): 28405234

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 1693, 2420, 3025, 3386, 6050, 6772, 8465, 12100, 16930, 18623, 33860, 37246, 42325, 74492, 84650, 93115, 169300, 186230, 204853, 372460, 409706, 465575, 819412, 931150, 1024265, 1862300, 2048530, 4097060, 5121325, 10242650, 20485300]

約数ペア:

[(1, 20485300), (2, 10242650), (4, 5121325), (5, 4097060), (10, 2048530), (11, 1862300), (20, 1024265), (22, 931150), (25, 819412), (44, 465575), (50, 409706), (55, 372460), (100, 204853), (110, 186230), (121, 169300), (220, 93115), (242, 84650), (275, 74492), (484, 42325), (550, 37246), (605, 33860), (1100, 18623), (1210, 16930), (1693, 12100), (2420, 8465), (3025, 6772), (3386, 6050)]