20187744

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 56899584

約数和(自身を除く): 36711840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 41, 46, 48, 69, 82, 92, 96, 123, 138, 164, 184, 223, 246, 276, 328, 368, 446, 492, 552, 656, 669, 736, 892, 943, 984, 1104, 1312, 1338, 1784, 1886, 1968, 2208, 2676, 2829, 3568, 3772, 3936, 5129, 5352, 5658, 7136, 7544, 9143, 10258, 10704, 11316, 15088, 15387, 18286, 20516, 21408, 22632, 27429, 30176, 30774, 36572, 41032, 45264, 54858, 61548, 73144, 82064, 90528, 109716, 123096, 146288, 164128, 210289, 219432, 246192, 292576, 420578, 438864, 492384, 630867, 841156, 877728, 1261734, 1682312, 2523468, 3364624, 5046936, 6729248, 10093872, 20187744]

約数ペア:

[(1, 20187744), (2, 10093872), (3, 6729248), (4, 5046936), (6, 3364624), (8, 2523468), (12, 1682312), (16, 1261734), (23, 877728), (24, 841156), (32, 630867), (41, 492384), (46, 438864), (48, 420578), (69, 292576), (82, 246192), (92, 219432), (96, 210289), (123, 164128), (138, 146288), (164, 123096), (184, 109716), (223, 90528), (246, 82064), (276, 73144), (328, 61548), (368, 54858), (446, 45264), (492, 41032), (552, 36572), (656, 30774), (669, 30176), (736, 27429), (892, 22632), (943, 21408), (984, 20516), (1104, 18286), (1312, 15387), (1338, 15088), (1784, 11316), (1886, 10704), (1968, 10258), (2208, 9143), (2676, 7544), (2829, 7136), (3568, 5658), (3772, 5352), (3936, 5129)]