20638908

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 56448000

約数和(自身を除く): 35809092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 59, 79, 82, 108, 118, 123, 158, 164, 177, 236, 237, 246, 316, 354, 369, 474, 492, 531, 708, 711, 738, 948, 1062, 1107, 1422, 1476, 1593, 2124, 2133, 2214, 2419, 2844, 3186, 3239, 4266, 4428, 4661, 4838, 6372, 6478, 7257, 8532, 9322, 9676, 9717, 12956, 13983, 14514, 18644, 19434, 21771, 27966, 29028, 29151, 38868, 41949, 43542, 55932, 58302, 65313, 83898, 87084, 87453, 116604, 125847, 130626, 167796, 174906, 191101, 251694, 261252, 349812, 382202, 503388, 573303, 764404, 1146606, 1719909, 2293212, 3439818, 5159727, 6879636, 10319454, 20638908]

約数ペア:

[(1, 20638908), (2, 10319454), (3, 6879636), (4, 5159727), (6, 3439818), (9, 2293212), (12, 1719909), (18, 1146606), (27, 764404), (36, 573303), (41, 503388), (54, 382202), (59, 349812), (79, 261252), (82, 251694), (108, 191101), (118, 174906), (123, 167796), (158, 130626), (164, 125847), (177, 116604), (236, 87453), (237, 87084), (246, 83898), (316, 65313), (354, 58302), (369, 55932), (474, 43542), (492, 41949), (531, 38868), (708, 29151), (711, 29028), (738, 27966), (948, 21771), (1062, 19434), (1107, 18644), (1422, 14514), (1476, 13983), (1593, 12956), (2124, 9717), (2133, 9676), (2214, 9322), (2419, 8532), (2844, 7257), (3186, 6478), (3239, 6372), (4266, 4838), (4428, 4661)]