20834436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2557}}^1$

素因数の和:2668

約数の個数: 48

約数和(自身を含む): 56153216

約数和(自身を除く): 35318780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 97, 194, 291, 388, 582, 679, 1164, 1358, 2037, 2557, 2716, 4074, 5114, 7671, 8148, 10228, 15342, 17899, 30684, 35798, 53697, 71596, 107394, 214788, 248029, 496058, 744087, 992116, 1488174, 1736203, 2976348, 3472406, 5208609, 6944812, 10417218, 20834436]

約数ペア:

[(1, 20834436), (2, 10417218), (3, 6944812), (4, 5208609), (6, 3472406), (7, 2976348), (12, 1736203), (14, 1488174), (21, 992116), (28, 744087), (42, 496058), (84, 248029), (97, 214788), (194, 107394), (291, 71596), (388, 53697), (582, 35798), (679, 30684), (1164, 17899), (1358, 15342), (2037, 10228), (2557, 8148), (2716, 7671), (4074, 5114)]