20805018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11597}}^1$

素因数の和:11638

約数の個数: 32

約数和(自身を含む): 46763136

約数和(自身を除く): 25958118

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11597, 23194, 34791, 69582, 150761, 266731, 301522, 452283, 533462, 800193, 904566, 1600386, 3467503, 6935006, 10402509, 20805018]

約数ペア:

[(1, 20805018), (2, 10402509), (3, 6935006), (6, 3467503), (13, 1600386), (23, 904566), (26, 800193), (39, 533462), (46, 452283), (69, 301522), (78, 266731), (138, 150761), (299, 69582), (598, 34791), (897, 23194), (1794, 11597)]