20442695

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 10039225

約数列:

[1, 5, 7, 13, 35, 65, 91, 179, 251, 455, 895, 1253, 1255, 1757, 2327, 3263, 6265, 8785, 11635, 16289, 16315, 22841, 44929, 81445, 114205, 224645, 314503, 584077, 1572515, 2920385, 4088539, 20442695]

約数ペア:

[(1, 20442695), (5, 4088539), (7, 2920385), (13, 1572515), (35, 584077), (65, 314503), (91, 224645), (179, 114205), (251, 81445), (455, 44929), (895, 22841), (1253, 16315), (1255, 16289), (1757, 11635), (2327, 8785), (3263, 6265)]