20433545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 8493175

約数列:

[1, 5, 11, 23, 29, 55, 115, 145, 253, 319, 557, 667, 1265, 1595, 2785, 3335, 6127, 7337, 12811, 16153, 30635, 36685, 64055, 80765, 140921, 177683, 371519, 704605, 888415, 1857595, 4086709, 20433545]

約数ペア:

[(1, 20433545), (5, 4086709), (11, 1857595), (23, 888415), (29, 704605), (55, 371519), (115, 177683), (145, 140921), (253, 80765), (319, 64055), (557, 36685), (667, 30635), (1265, 16153), (1595, 12811), (2785, 7337), (3335, 6127)]