20168020920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5421511}}^1$

素因数の和:5421556

約数の個数: 64

約数和(自身を含む): 62455818240

約数和(自身を除く): 42287797320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5421511, 10843022, 16264533, 21686044, 27107555, 32529066, 43372088, 54215110, 65058132, 81322665, 108430220, 130116264, 162645330, 168066841, 216860440, 325290660, 336133682, 504200523, 650581320, 672267364, 840334205, 1008401046, 1344534728, 1680668410, 2016802092, 2521002615, 3361336820, 4033604184, 5042005230, 6722673640, 10084010460, 20168020920]

約数ペア:

[(1, 20168020920), (2, 10084010460), (3, 6722673640), (4, 5042005230), (5, 4033604184), (6, 3361336820), (8, 2521002615), (10, 2016802092), (12, 1680668410), (15, 1344534728), (20, 1008401046), (24, 840334205), (30, 672267364), (31, 650581320), (40, 504200523), (60, 336133682), (62, 325290660), (93, 216860440), (120, 168066841), (124, 162645330), (155, 130116264), (186, 108430220), (248, 81322665), (310, 65058132), (372, 54215110), (465, 43372088), (620, 32529066), (744, 27107555), (930, 21686044), (1240, 16264533), (1860, 10843022), (3720, 5421511)]