20198145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{751}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 35518464

約数和(自身を除く): 15320319

約数列:

[1, 3, 5, 11, 15, 33, 55, 163, 165, 489, 751, 815, 1793, 2253, 2445, 3755, 5379, 8261, 8965, 11265, 24783, 26895, 41305, 122413, 123915, 367239, 612065, 1346543, 1836195, 4039629, 6732715, 20198145]

約数ペア:

[(1, 20198145), (3, 6732715), (5, 4039629), (11, 1836195), (15, 1346543), (33, 612065), (55, 367239), (163, 123915), (165, 122413), (489, 41305), (751, 26895), (815, 24783), (1793, 11265), (2253, 8965), (2445, 8261), (3755, 5379)]