20072449185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{399571}}^1$

素因数の和:399793

約数の個数: 32

約数和(自身を含む): 34177790592

約数和(自身を除く): 14105341407

約数列:

[1, 3, 5, 15, 17, 51, 85, 197, 255, 591, 985, 2955, 3349, 10047, 16745, 50235, 399571, 1198713, 1997855, 5993565, 6792707, 20378121, 33963535, 78715487, 101890605, 236146461, 393577435, 1180732305, 1338163279, 4014489837, 6690816395, 20072449185]

約数ペア:

[(1, 20072449185), (3, 6690816395), (5, 4014489837), (15, 1338163279), (17, 1180732305), (51, 393577435), (85, 236146461), (197, 101890605), (255, 78715487), (591, 33963535), (985, 20378121), (2955, 6792707), (3349, 5993565), (10047, 1997855), (16745, 1198713), (50235, 399571)]