20157568712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1\times {\mathrm{2399}}^1$

素因数の和:4446

約数の個数: 64

約数和(自身を含む): 41347584000

約数和(自身を除く): 21190015288

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 1993, 2108, 2399, 3986, 4216, 4798, 7972, 9596, 15944, 19192, 33881, 40783, 61783, 67762, 74369, 81566, 123566, 135524, 148738, 163132, 247132, 271048, 297476, 326264, 494264, 594952, 1050311, 1264273, 2100622, 2528546, 4201244, 4781207, 5057092, 8402488, 9562414, 10114184, 19124828, 38249656, 81280519, 148217417, 162561038, 296434834, 325122076, 592869668, 650244152, 1185739336, 2519696089, 5039392178, 10078784356, 20157568712]

約数ペア:

[(1, 20157568712), (2, 10078784356), (4, 5039392178), (8, 2519696089), (17, 1185739336), (31, 650244152), (34, 592869668), (62, 325122076), (68, 296434834), (124, 162561038), (136, 148217417), (248, 81280519), (527, 38249656), (1054, 19124828), (1993, 10114184), (2108, 9562414), (2399, 8402488), (3986, 5057092), (4216, 4781207), (4798, 4201244), (7972, 2528546), (9596, 2100622), (15944, 1264273), (19192, 1050311), (33881, 594952), (40783, 494264), (61783, 326264), (67762, 297476), (74369, 271048), (81566, 247132), (123566, 163132), (135524, 148738)]