20146574

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 19251826

約数列:

[1, 2, 7, 14, 19, 23, 37, 38, 46, 74, 89, 133, 161, 178, 259, 266, 322, 437, 518, 623, 703, 851, 874, 1246, 1406, 1691, 1702, 2047, 3059, 3293, 3382, 4094, 4921, 5957, 6118, 6586, 9842, 11837, 11914, 14329, 16169, 23051, 23674, 28658, 32338, 38893, 46102, 62567, 75739, 77786, 113183, 125134, 151478, 226366, 272251, 437969, 530173, 544502, 875938, 1060346, 1439041, 2878082, 10073287, 20146574]

約数ペア:

[(1, 20146574), (2, 10073287), (7, 2878082), (14, 1439041), (19, 1060346), (23, 875938), (37, 544502), (38, 530173), (46, 437969), (74, 272251), (89, 226366), (133, 151478), (161, 125134), (178, 113183), (259, 77786), (266, 75739), (322, 62567), (437, 46102), (518, 38893), (623, 32338), (703, 28658), (851, 23674), (874, 23051), (1246, 16169), (1406, 14329), (1691, 11914), (1702, 11837), (2047, 9842), (3059, 6586), (3293, 6118), (3382, 5957), (4094, 4921)]