20802853143

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{1249}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 30909060000

約数和(自身を除く): 10106206857

約数列:

[1, 3, 9, 73, 101, 219, 251, 303, 657, 753, 909, 1249, 2259, 3747, 7373, 11241, 18323, 22119, 25351, 54969, 66357, 76053, 91177, 126149, 164907, 228159, 273531, 313499, 378447, 820593, 940497, 1135341, 1850623, 2821491, 5551869, 9208877, 16655607, 22885427, 27626631, 31663399, 68656281, 82879893, 94990197, 205968843, 284970591, 2311428127, 6934284381, 20802853143]

約数ペア:

[(1, 20802853143), (3, 6934284381), (9, 2311428127), (73, 284970591), (101, 205968843), (219, 94990197), (251, 82879893), (303, 68656281), (657, 31663399), (753, 27626631), (909, 22885427), (1249, 16655607), (2259, 9208877), (3747, 5551869), (7373, 2821491), (11241, 1850623), (18323, 1135341), (22119, 940497), (25351, 820593), (54969, 378447), (66357, 313499), (76053, 273531), (91177, 228159), (126149, 164907)]