20634747

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 33607680

約数和(自身を除く): 12972933

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 1093, 2697, 3279, 6293, 7651, 18879, 22953, 31697, 33883, 95091, 101649, 221879, 237181, 665637, 711543, 982607, 2947821, 6878249, 20634747]

約数ペア:

[(1, 20634747), (3, 6878249), (7, 2947821), (21, 982607), (29, 711543), (31, 665637), (87, 237181), (93, 221879), (203, 101649), (217, 95091), (609, 33883), (651, 31697), (899, 22953), (1093, 18879), (2697, 7651), (3279, 6293)]