20348007812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{2647}}^1$

素因数の和:2961

約数の個数: 96

約数和(自身を含む): 42279874560

約数和(自身を除く): 21931866748

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 68, 86, 172, 187, 239, 374, 473, 478, 731, 748, 946, 956, 1462, 1892, 2629, 2647, 2924, 4063, 5258, 5294, 8041, 8126, 10277, 10516, 10588, 16082, 16252, 20554, 29117, 32164, 41108, 44693, 44999, 58234, 89386, 89998, 113047, 113821, 116468, 174709, 178772, 179996, 226094, 227642, 349418, 452188, 455284, 494989, 632633, 698836, 989978, 1252031, 1265266, 1921799, 1934957, 1979956, 2504062, 2530532, 3843598, 3869914, 5008124, 6958963, 7687196, 7739828, 10754761, 13917926, 21284527, 21509522, 27203219, 27835852, 42569054, 43019044, 54406438, 85138108, 108812876, 118302371, 236604742, 299235409, 462454723, 473209484, 598470818, 924909446, 1196941636, 1849818892, 5087001953, 10174003906, 20348007812]

約数ペア:

[(1, 20348007812), (2, 10174003906), (4, 5087001953), (11, 1849818892), (17, 1196941636), (22, 924909446), (34, 598470818), (43, 473209484), (44, 462454723), (68, 299235409), (86, 236604742), (172, 118302371), (187, 108812876), (239, 85138108), (374, 54406438), (473, 43019044), (478, 42569054), (731, 27835852), (748, 27203219), (946, 21509522), (956, 21284527), (1462, 13917926), (1892, 10754761), (2629, 7739828), (2647, 7687196), (2924, 6958963), (4063, 5008124), (5258, 3869914), (5294, 3843598), (8041, 2530532), (8126, 2504062), (10277, 1979956), (10516, 1934957), (10588, 1921799), (16082, 1265266), (16252, 1252031), (20554, 989978), (29117, 698836), (32164, 632633), (41108, 494989), (44693, 455284), (44999, 452188), (58234, 349418), (89386, 227642), (89998, 226094), (113047, 179996), (113821, 178772), (116468, 174709)]