20233280275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{28183}}^1$

素因数の和:28300

約数の個数: 36

約数和(自身を含む): 27607298992

約数和(自身を除く): 7374018717

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 2209, 3055, 11045, 15275, 28183, 28717, 55225, 140915, 143585, 366379, 704575, 717925, 1324601, 1831895, 6623005, 9159475, 17219813, 33115025, 62256247, 86099065, 311281235, 430495325, 809331211, 1556406175, 4046656055, 20233280275]

約数ペア:

[(1, 20233280275), (5, 4046656055), (13, 1556406175), (25, 809331211), (47, 430495325), (65, 311281235), (235, 86099065), (325, 62256247), (611, 33115025), (1175, 17219813), (2209, 9159475), (3055, 6623005), (11045, 1831895), (15275, 1324601), (28183, 717925), (28717, 704575), (55225, 366379), (140915, 143585)]