20736365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 28449792

約数和(自身を除く): 7713427

約数列:

[1, 5, 13, 31, 41, 65, 155, 205, 251, 403, 533, 1255, 1271, 2015, 2665, 3263, 6355, 7781, 10291, 16315, 16523, 38905, 51455, 82615, 101153, 133783, 319021, 505765, 668915, 1595105, 4147273, 20736365]

約数ペア:

[(1, 20736365), (5, 4147273), (13, 1595105), (31, 668915), (41, 505765), (65, 319021), (155, 133783), (205, 101153), (251, 82615), (403, 51455), (533, 38905), (1255, 16523), (1271, 16315), (2015, 10291), (2665, 7781), (3263, 6355)]