20512483212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4217}}^1\times {\mathrm{31181}}^1$

素因数の和:35418

約数の個数: 48

約数和(自身を含む): 51558064992

約数和(自身を除く): 31045581780

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 4217, 8434, 12651, 16868, 25302, 31181, 50604, 54821, 62362, 93543, 109642, 124724, 164463, 187086, 219284, 328926, 374172, 405353, 657852, 810706, 1216059, 1621412, 2432118, 4864236, 131490277, 262980554, 394470831, 525961108, 788941662, 1577883324, 1709373601, 3418747202, 5128120803, 6837494404, 10256241606, 20512483212]

約数ペア:

[(1, 20512483212), (2, 10256241606), (3, 6837494404), (4, 5128120803), (6, 3418747202), (12, 1709373601), (13, 1577883324), (26, 788941662), (39, 525961108), (52, 394470831), (78, 262980554), (156, 131490277), (4217, 4864236), (8434, 2432118), (12651, 1621412), (16868, 1216059), (25302, 810706), (31181, 657852), (50604, 405353), (54821, 374172), (62362, 328926), (93543, 219284), (109642, 187086), (124724, 164463)]