20164055690

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1\times {\mathrm{887}}^1$

素因数の和:1487

約数の個数: 64

約数和(自身を含む): 37460102400

約数和(自身を除く): 17296046710

約数列:

[1, 2, 5, 10, 61, 83, 122, 166, 305, 415, 449, 610, 830, 887, 898, 1774, 2245, 4435, 4490, 5063, 8870, 10126, 25315, 27389, 37267, 50630, 54107, 54778, 73621, 74534, 108214, 136945, 147242, 186335, 270535, 273890, 368105, 372670, 398263, 541070, 736210, 796526, 1991315, 2273287, 3982630, 4490881, 4546574, 8981762, 11366435, 22454405, 22732870, 24294043, 33055829, 44908810, 48588086, 66111658, 121470215, 165279145, 242940430, 330558290, 2016405569, 4032811138, 10082027845, 20164055690]

約数ペア:

[(1, 20164055690), (2, 10082027845), (5, 4032811138), (10, 2016405569), (61, 330558290), (83, 242940430), (122, 165279145), (166, 121470215), (305, 66111658), (415, 48588086), (449, 44908810), (610, 33055829), (830, 24294043), (887, 22732870), (898, 22454405), (1774, 11366435), (2245, 8981762), (4435, 4546574), (4490, 4490881), (5063, 3982630), (8870, 2273287), (10126, 1991315), (25315, 796526), (27389, 736210), (37267, 541070), (50630, 398263), (54107, 372670), (54778, 368105), (73621, 273890), (74534, 270535), (108214, 186335), (136945, 147242)]