20153171680

素因数分解:

$2^5\times 5^1\times {\mathrm{7541}}^1\times {\mathrm{16703}}^1$

素因数の和:24259

約数の個数: 48

約数和(自身を含む): 47621032704

約数和(自身を除く): 27467861024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 7541, 15082, 16703, 30164, 33406, 37705, 60328, 66812, 75410, 83515, 120656, 133624, 150820, 167030, 241312, 267248, 301640, 334060, 534496, 603280, 668120, 1206560, 1336240, 2672480, 125957323, 251914646, 503829292, 629786615, 1007658584, 1259573230, 2015317168, 2519146460, 4030634336, 5038292920, 10076585840, 20153171680]

約数ペア:

[(1, 20153171680), (2, 10076585840), (4, 5038292920), (5, 4030634336), (8, 2519146460), (10, 2015317168), (16, 1259573230), (20, 1007658584), (32, 629786615), (40, 503829292), (80, 251914646), (160, 125957323), (7541, 2672480), (15082, 1336240), (16703, 1206560), (30164, 668120), (33406, 603280), (37705, 534496), (60328, 334060), (66812, 301640), (75410, 267248), (83515, 241312), (120656, 167030), (133624, 150820)]