20542384

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:577

約数の個数: 40

約数和(自身を含む): 41425920

約数和(自身を除く): 20883536

約数列:

[1, 2, 4, 8, 16, 47, 59, 94, 118, 188, 236, 376, 463, 472, 752, 926, 944, 1852, 2773, 3704, 5546, 7408, 11092, 21761, 22184, 27317, 43522, 44368, 54634, 87044, 109268, 174088, 218536, 348176, 437072, 1283899, 2567798, 5135596, 10271192, 20542384]

約数ペア:

[(1, 20542384), (2, 10271192), (4, 5135596), (8, 2567798), (16, 1283899), (47, 437072), (59, 348176), (94, 218536), (118, 174088), (188, 109268), (236, 87044), (376, 54634), (463, 44368), (472, 43522), (752, 27317), (926, 22184), (944, 21761), (1852, 11092), (2773, 7408), (3704, 5546)]