20667345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 35143680

約数和(自身を除く): 14476335

約数列:

[1, 3, 5, 15, 19, 57, 95, 127, 285, 381, 571, 635, 1713, 1905, 2413, 2855, 7239, 8565, 10849, 12065, 32547, 36195, 54245, 72517, 162735, 217551, 362585, 1087755, 1377823, 4133469, 6889115, 20667345]

約数ペア:

[(1, 20667345), (3, 6889115), (5, 4133469), (15, 1377823), (19, 1087755), (57, 362585), (95, 217551), (127, 162735), (285, 72517), (381, 54245), (571, 36195), (635, 32547), (1713, 12065), (1905, 10849), (2413, 8565), (2855, 7239)]