20574505

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 30205440

約数和(自身を除く): 9630935

約数列:

[1, 5, 7, 17, 35, 85, 119, 151, 229, 595, 755, 1057, 1145, 1603, 2567, 3893, 5285, 8015, 12835, 17969, 19465, 27251, 34579, 89845, 136255, 172895, 242053, 587843, 1210265, 2939215, 4114901, 20574505]

約数ペア:

[(1, 20574505), (5, 4114901), (7, 2939215), (17, 1210265), (35, 587843), (85, 242053), (119, 172895), (151, 136255), (229, 89845), (595, 34579), (755, 27251), (1057, 19465), (1145, 17969), (1603, 12835), (2567, 8015), (3893, 5285)]