20005024

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2573

約数の個数: 48

約数和(自身を含む): 44664480

約数和(自身を除く): 24659456

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2531, 3952, 5062, 7904, 10124, 20248, 32903, 40496, 48089, 65806, 80992, 96178, 131612, 192356, 263224, 384712, 526448, 625157, 769424, 1052896, 1250314, 1538848, 2500628, 5001256, 10002512, 20005024]

約数ペア:

[(1, 20005024), (2, 10002512), (4, 5001256), (8, 2500628), (13, 1538848), (16, 1250314), (19, 1052896), (26, 769424), (32, 625157), (38, 526448), (52, 384712), (76, 263224), (104, 192356), (152, 131612), (208, 96178), (247, 80992), (304, 65806), (416, 48089), (494, 40496), (608, 32903), (988, 20248), (1976, 10124), (2531, 7904), (3952, 5062)]