20157852

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 58593024

約数和(自身を除く): 38435172

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 17, 22, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 102, 132, 143, 156, 187, 204, 221, 286, 374, 429, 442, 561, 572, 663, 691, 748, 858, 884, 1122, 1326, 1382, 1716, 2073, 2244, 2431, 2652, 2764, 4146, 4862, 7293, 7601, 8292, 8983, 9724, 11747, 14586, 15202, 17966, 22803, 23494, 26949, 29172, 30404, 35241, 35932, 45606, 46988, 53898, 70482, 91212, 98813, 107796, 129217, 140964, 152711, 197626, 258434, 296439, 305422, 387651, 395252, 458133, 516868, 592878, 610844, 775302, 916266, 1185756, 1550604, 1679821, 1832532, 3359642, 5039463, 6719284, 10078926, 20157852]

約数ペア:

[(1, 20157852), (2, 10078926), (3, 6719284), (4, 5039463), (6, 3359642), (11, 1832532), (12, 1679821), (13, 1550604), (17, 1185756), (22, 916266), (26, 775302), (33, 610844), (34, 592878), (39, 516868), (44, 458133), (51, 395252), (52, 387651), (66, 305422), (68, 296439), (78, 258434), (102, 197626), (132, 152711), (143, 140964), (156, 129217), (187, 107796), (204, 98813), (221, 91212), (286, 70482), (374, 53898), (429, 46988), (442, 45606), (561, 35932), (572, 35241), (663, 30404), (691, 29172), (748, 26949), (858, 23494), (884, 22803), (1122, 17966), (1326, 15202), (1382, 14586), (1716, 11747), (2073, 9724), (2244, 8983), (2431, 8292), (2652, 7601), (2764, 7293), (4146, 4862)]