20432865

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 33676416

約数和(自身を除く): 13243551

約数列:

[1, 3, 5, 15, 61, 137, 163, 183, 305, 411, 489, 685, 815, 915, 2055, 2445, 8357, 9943, 22331, 25071, 29829, 41785, 49715, 66993, 111655, 125355, 149145, 334965, 1362191, 4086573, 6810955, 20432865]

約数ペア:

[(1, 20432865), (3, 6810955), (5, 4086573), (15, 1362191), (61, 334965), (137, 149145), (163, 125355), (183, 111655), (305, 66993), (411, 49715), (489, 41785), (685, 29829), (815, 25071), (915, 22331), (2055, 9943), (2445, 8357)]