20106311320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{178691}}^1$

素因数の和:178828

約数の個数: 64

約数和(自身を含む): 47281903200

約数和(自身を除く): 27175591880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 194, 232, 290, 388, 485, 580, 776, 970, 1160, 1940, 2813, 3880, 5626, 11252, 14065, 22504, 28130, 56260, 112520, 178691, 357382, 714764, 893455, 1429528, 1786910, 3573820, 5182039, 7147640, 10364078, 17333027, 20728156, 25910195, 34666054, 41456312, 51820390, 69332108, 86665135, 103640780, 138664216, 173330270, 207281560, 346660540, 502657783, 693321080, 1005315566, 2010631132, 2513288915, 4021262264, 5026577830, 10053155660, 20106311320]

約数ペア:

[(1, 20106311320), (2, 10053155660), (4, 5026577830), (5, 4021262264), (8, 2513288915), (10, 2010631132), (20, 1005315566), (29, 693321080), (40, 502657783), (58, 346660540), (97, 207281560), (116, 173330270), (145, 138664216), (194, 103640780), (232, 86665135), (290, 69332108), (388, 51820390), (485, 41456312), (580, 34666054), (776, 25910195), (970, 20728156), (1160, 17333027), (1940, 10364078), (2813, 7147640), (3880, 5182039), (5626, 3573820), (11252, 1786910), (14065, 1429528), (22504, 893455), (28130, 714764), (56260, 357382), (112520, 178691)]