20143679560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1291}}^1\times {\mathrm{13451}}^1$

素因数の和:14782

約数の個数: 64

約数和(自身を含む): 46925956800

約数和(自身を除く): 26782277240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1291, 2582, 5164, 6455, 10328, 12910, 13451, 25820, 26902, 37439, 51640, 53804, 67255, 74878, 107608, 134510, 149756, 187195, 269020, 299512, 374390, 390079, 538040, 748780, 780158, 1497560, 1560316, 1950395, 3120632, 3900790, 7801580, 15603160, 17365241, 34730482, 69460964, 86826205, 138921928, 173652410, 347304820, 503591989, 694609640, 1007183978, 2014367956, 2517959945, 4028735912, 5035919890, 10071839780, 20143679560]

約数ペア:

[(1, 20143679560), (2, 10071839780), (4, 5035919890), (5, 4028735912), (8, 2517959945), (10, 2014367956), (20, 1007183978), (29, 694609640), (40, 503591989), (58, 347304820), (116, 173652410), (145, 138921928), (232, 86826205), (290, 69460964), (580, 34730482), (1160, 17365241), (1291, 15603160), (2582, 7801580), (5164, 3900790), (6455, 3120632), (10328, 1950395), (12910, 1560316), (13451, 1497560), (25820, 780158), (26902, 748780), (37439, 538040), (51640, 390079), (53804, 374390), (67255, 299512), (74878, 269020), (107608, 187195), (134510, 149756)]