20731432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 44323200

約数和(自身を除く): 23591768

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 71, 76, 113, 136, 142, 152, 226, 284, 323, 452, 568, 646, 904, 1207, 1292, 1349, 1921, 2147, 2414, 2584, 2698, 3842, 4294, 4828, 5396, 7684, 8023, 8588, 9656, 10792, 15368, 16046, 17176, 22933, 32092, 36499, 45866, 64184, 72998, 91732, 136391, 145996, 152437, 183464, 272782, 291992, 304874, 545564, 609748, 1091128, 1219496, 2591429, 5182858, 10365716, 20731432]

約数ペア:

[(1, 20731432), (2, 10365716), (4, 5182858), (8, 2591429), (17, 1219496), (19, 1091128), (34, 609748), (38, 545564), (68, 304874), (71, 291992), (76, 272782), (113, 183464), (136, 152437), (142, 145996), (152, 136391), (226, 91732), (284, 72998), (323, 64184), (452, 45866), (568, 36499), (646, 32092), (904, 22933), (1207, 17176), (1292, 16046), (1349, 15368), (1921, 10792), (2147, 9656), (2414, 8588), (2584, 8023), (2698, 7684), (3842, 5396), (4294, 4828)]