20443590

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36165690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 81, 90, 94, 135, 141, 162, 179, 235, 243, 270, 282, 358, 405, 423, 470, 486, 537, 705, 810, 846, 895, 1074, 1215, 1269, 1410, 1611, 1790, 2115, 2430, 2538, 2685, 3222, 3807, 4230, 4833, 5370, 6345, 7614, 8055, 8413, 9666, 11421, 12690, 14499, 16110, 16826, 19035, 22842, 24165, 25239, 28998, 38070, 42065, 43497, 48330, 50478, 57105, 72495, 75717, 84130, 86994, 114210, 126195, 144990, 151434, 217485, 227151, 252390, 378585, 434970, 454302, 681453, 757170, 1135755, 1362906, 2044359, 2271510, 3407265, 4088718, 6814530, 10221795, 20443590]

約数ペア:

[(1, 20443590), (2, 10221795), (3, 6814530), (5, 4088718), (6, 3407265), (9, 2271510), (10, 2044359), (15, 1362906), (18, 1135755), (27, 757170), (30, 681453), (45, 454302), (47, 434970), (54, 378585), (81, 252390), (90, 227151), (94, 217485), (135, 151434), (141, 144990), (162, 126195), (179, 114210), (235, 86994), (243, 84130), (270, 75717), (282, 72495), (358, 57105), (405, 50478), (423, 48330), (470, 43497), (486, 42065), (537, 38070), (705, 28998), (810, 25239), (846, 24165), (895, 22842), (1074, 19035), (1215, 16826), (1269, 16110), (1410, 14499), (1611, 12690), (1790, 11421), (2115, 9666), (2430, 8413), (2538, 8055), (2685, 7614), (3222, 6345), (3807, 5370), (4230, 4833)]