20374732

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 42219520

約数和(自身を除く): 21844788

約数列:

[1, 2, 4, 7, 14, 28, 61, 79, 122, 151, 158, 244, 302, 316, 427, 553, 604, 854, 1057, 1106, 1708, 2114, 2212, 4228, 4819, 9211, 9638, 11929, 18422, 19276, 23858, 33733, 36844, 47716, 64477, 67466, 83503, 128954, 134932, 167006, 257908, 334012, 727669, 1455338, 2910676, 5093683, 10187366, 20374732]

約数ペア:

[(1, 20374732), (2, 10187366), (4, 5093683), (7, 2910676), (14, 1455338), (28, 727669), (61, 334012), (79, 257908), (122, 167006), (151, 134932), (158, 128954), (244, 83503), (302, 67466), (316, 64477), (427, 47716), (553, 36844), (604, 33733), (854, 23858), (1057, 19276), (1106, 18422), (1708, 11929), (2114, 9638), (2212, 9211), (4228, 4819)]