20949456

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{3607}}^1$

素因数の和:3640

約数の個数: 60

約数和(自身を含む): 59503136

約数和(自身を除く): 38553680

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 132, 176, 242, 264, 363, 484, 528, 726, 968, 1452, 1936, 2904, 3607, 5808, 7214, 10821, 14428, 21642, 28856, 39677, 43284, 57712, 79354, 86568, 119031, 158708, 173136, 238062, 317416, 436447, 476124, 634832, 872894, 952248, 1309341, 1745788, 1904496, 2618682, 3491576, 5237364, 6983152, 10474728, 20949456]

約数ペア:

[(1, 20949456), (2, 10474728), (3, 6983152), (4, 5237364), (6, 3491576), (8, 2618682), (11, 1904496), (12, 1745788), (16, 1309341), (22, 952248), (24, 872894), (33, 634832), (44, 476124), (48, 436447), (66, 317416), (88, 238062), (121, 173136), (132, 158708), (176, 119031), (242, 86568), (264, 79354), (363, 57712), (484, 43284), (528, 39677), (726, 28856), (968, 21642), (1452, 14428), (1936, 10821), (2904, 7214), (3607, 5808)]