20125077

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 11977323

約数列:

[1, 3, 7, 21, 37, 59, 111, 177, 259, 413, 439, 777, 1239, 1317, 2183, 3073, 6549, 9219, 15281, 16243, 25901, 45843, 48729, 77703, 113701, 181307, 341103, 543921, 958337, 2875011, 6708359, 20125077]

約数ペア:

[(1, 20125077), (3, 6708359), (7, 2875011), (21, 958337), (37, 543921), (59, 341103), (111, 181307), (177, 113701), (259, 77703), (413, 48729), (439, 45843), (777, 25901), (1239, 16243), (1317, 15281), (2183, 9219), (3073, 6549)]