20554212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1367}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 34603548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 179, 358, 537, 716, 1074, 1253, 1367, 2148, 2506, 2734, 3759, 4101, 5012, 5468, 7518, 8202, 9569, 15036, 16404, 19138, 28707, 38276, 57414, 114828, 244693, 489386, 734079, 978772, 1468158, 1712851, 2936316, 3425702, 5138553, 6851404, 10277106, 20554212]

約数ペア:

[(1, 20554212), (2, 10277106), (3, 6851404), (4, 5138553), (6, 3425702), (7, 2936316), (12, 1712851), (14, 1468158), (21, 978772), (28, 734079), (42, 489386), (84, 244693), (179, 114828), (358, 57414), (537, 38276), (716, 28707), (1074, 19138), (1253, 16404), (1367, 15036), (2148, 9569), (2506, 8202), (2734, 7518), (3759, 5468), (4101, 5012)]