20236580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11119}}^1$

素因数の和:11148

約数の個数: 48

約数和(自身を含む): 52308480

約数和(自身を除く): 32071900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 11119, 22238, 44476, 55595, 77833, 111190, 144547, 155666, 222380, 289094, 311332, 389165, 578188, 722735, 778330, 1011829, 1445470, 1556660, 2023658, 2890940, 4047316, 5059145, 10118290, 20236580]

約数ペア:

[(1, 20236580), (2, 10118290), (4, 5059145), (5, 4047316), (7, 2890940), (10, 2023658), (13, 1556660), (14, 1445470), (20, 1011829), (26, 778330), (28, 722735), (35, 578188), (52, 389165), (65, 311332), (70, 289094), (91, 222380), (130, 155666), (140, 144547), (182, 111190), (260, 77833), (364, 55595), (455, 44476), (910, 22238), (1820, 11119)]