20012856

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 53114880

約数和(自身を除く): 33102024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 37, 62, 74, 93, 111, 124, 148, 186, 222, 248, 296, 372, 444, 727, 744, 888, 1147, 1454, 2181, 2294, 2908, 3441, 4362, 4588, 5816, 6882, 8724, 9176, 13764, 17448, 22537, 26899, 27528, 45074, 53798, 67611, 80697, 90148, 107596, 135222, 161394, 180296, 215192, 270444, 322788, 540888, 645576, 833869, 1667738, 2501607, 3335476, 5003214, 6670952, 10006428, 20012856]

約数ペア:

[(1, 20012856), (2, 10006428), (3, 6670952), (4, 5003214), (6, 3335476), (8, 2501607), (12, 1667738), (24, 833869), (31, 645576), (37, 540888), (62, 322788), (74, 270444), (93, 215192), (111, 180296), (124, 161394), (148, 135222), (186, 107596), (222, 90148), (248, 80697), (296, 67611), (372, 53798), (444, 45074), (727, 27528), (744, 26899), (888, 22537), (1147, 17448), (1454, 13764), (2181, 9176), (2294, 8724), (2908, 6882), (3441, 5816), (4362, 4588)]