20516076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4789}}^1$

素因数の和:4823

約数の個数: 72

約数和(自身を含む): 62768160

約数和(自身を除く): 42252084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 4789, 9578, 14367, 19156, 28734, 33523, 43101, 57468, 67046, 81413, 86202, 100569, 134092, 162826, 172404, 201138, 244239, 301707, 325652, 402276, 488478, 569891, 603414, 732717, 976956, 1139782, 1206828, 1465434, 1709673, 2279564, 2930868, 3419346, 5129019, 6838692, 10258038, 20516076]

約数ペア:

[(1, 20516076), (2, 10258038), (3, 6838692), (4, 5129019), (6, 3419346), (7, 2930868), (9, 2279564), (12, 1709673), (14, 1465434), (17, 1206828), (18, 1139782), (21, 976956), (28, 732717), (34, 603414), (36, 569891), (42, 488478), (51, 402276), (63, 325652), (68, 301707), (84, 244239), (102, 201138), (119, 172404), (126, 162826), (153, 134092), (204, 100569), (238, 86202), (252, 81413), (306, 67046), (357, 57468), (476, 43101), (612, 33523), (714, 28734), (1071, 19156), (1428, 14367), (2142, 9578), (4284, 4789)]