20165483480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1\times {\mathrm{23167}}^1$

素因数の和:23688

約数の個数: 64

約数和(自身を含む): 46439792640

約数和(自身を除く): 26274309160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 463, 470, 926, 940, 1852, 1880, 2315, 3704, 4630, 9260, 18520, 21761, 23167, 43522, 46334, 87044, 92668, 108805, 115835, 174088, 185336, 217610, 231670, 435220, 463340, 870440, 926680, 1088849, 2177698, 4355396, 5444245, 8710792, 10726321, 10888490, 21452642, 21776980, 42905284, 43553960, 53631605, 85810568, 107263210, 214526420, 429052840, 504137087, 1008274174, 2016548348, 2520685435, 4033096696, 5041370870, 10082741740, 20165483480]

約数ペア:

[(1, 20165483480), (2, 10082741740), (4, 5041370870), (5, 4033096696), (8, 2520685435), (10, 2016548348), (20, 1008274174), (40, 504137087), (47, 429052840), (94, 214526420), (188, 107263210), (235, 85810568), (376, 53631605), (463, 43553960), (470, 42905284), (926, 21776980), (940, 21452642), (1852, 10888490), (1880, 10726321), (2315, 8710792), (3704, 5444245), (4630, 4355396), (9260, 2177698), (18520, 1088849), (21761, 926680), (23167, 870440), (43522, 463340), (46334, 435220), (87044, 231670), (92668, 217610), (108805, 185336), (115835, 174088)]