20194575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{509}}^1$

素因数の和:568

約数の個数: 36

約数和(自身を含む): 34971720

約数和(自身を除く): 14777145

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 509, 529, 575, 1527, 1587, 1725, 2545, 2645, 7635, 7935, 11707, 12725, 13225, 35121, 38175, 39675, 58535, 175605, 269261, 292675, 807783, 878025, 1346305, 4038915, 6731525, 20194575]

約数ペア:

[(1, 20194575), (3, 6731525), (5, 4038915), (15, 1346305), (23, 878025), (25, 807783), (69, 292675), (75, 269261), (115, 175605), (345, 58535), (509, 39675), (529, 38175), (575, 35121), (1527, 13225), (1587, 12725), (1725, 11707), (2545, 7935), (2645, 7635)]