20173465978868

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{1021}}^1\times {\mathrm{647651}}^1$

素因数の和:648968

約数の個数: 48

約数和(自身を含む): 36695755071360

約数和(自身を除く): 16522289092492

約数列:

[1, 2, 4, 29, 58, 116, 263, 526, 1021, 1052, 2042, 4084, 7627, 15254, 29609, 30508, 59218, 118436, 268523, 537046, 647651, 1074092, 1295302, 2590604, 7787167, 15574334, 18781879, 31148668, 37563758, 75127516, 170332213, 340664426, 661251671, 681328852, 1322503342, 2645006684, 4939634177, 9879268354, 19176298459, 19758536708, 38352596918, 76705193836, 173909189473, 347818378946, 695636757892, 5043366494717, 10086732989434, 20173465978868]

約数ペア:

[(1, 20173465978868), (2, 10086732989434), (4, 5043366494717), (29, 695636757892), (58, 347818378946), (116, 173909189473), (263, 76705193836), (526, 38352596918), (1021, 19758536708), (1052, 19176298459), (2042, 9879268354), (4084, 4939634177), (7627, 2645006684), (15254, 1322503342), (29609, 681328852), (30508, 661251671), (59218, 340664426), (118436, 170332213), (268523, 75127516), (537046, 37563758), (647651, 31148668), (1074092, 18781879), (1295302, 15574334), (2590604, 7787167)]