20235745140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1447}}^1\times {\mathrm{17929}}^1$

素因数の和:19401

約数の個数: 96

約数和(自身を含む): 61064129280

約数和(自身を除く): 40828384140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1447, 2894, 4341, 5788, 7235, 8682, 14470, 17364, 17929, 18811, 21705, 28940, 35858, 37622, 43410, 53787, 56433, 71716, 75244, 86820, 89645, 94055, 107574, 112866, 179290, 188110, 215148, 225732, 233077, 268935, 282165, 358580, 376220, 466154, 537870, 564330, 699231, 932308, 1075740, 1128660, 1165385, 1398462, 2330770, 2796924, 3496155, 4661540, 6992310, 13984620, 25943263, 51886526, 77829789, 103773052, 129716315, 155659578, 259432630, 311319156, 337262419, 389148945, 518865260, 674524838, 778297890, 1011787257, 1349049676, 1556595780, 1686312095, 2023574514, 3372624190, 4047149028, 5058936285, 6745248380, 10117872570, 20235745140]

約数ペア:

[(1, 20235745140), (2, 10117872570), (3, 6745248380), (4, 5058936285), (5, 4047149028), (6, 3372624190), (10, 2023574514), (12, 1686312095), (13, 1556595780), (15, 1349049676), (20, 1011787257), (26, 778297890), (30, 674524838), (39, 518865260), (52, 389148945), (60, 337262419), (65, 311319156), (78, 259432630), (130, 155659578), (156, 129716315), (195, 103773052), (260, 77829789), (390, 51886526), (780, 25943263), (1447, 13984620), (2894, 6992310), (4341, 4661540), (5788, 3496155), (7235, 2796924), (8682, 2330770), (14470, 1398462), (17364, 1165385), (17929, 1128660), (18811, 1075740), (21705, 932308), (28940, 699231), (35858, 564330), (37622, 537870), (43410, 466154), (53787, 376220), (56433, 358580), (71716, 282165), (75244, 268935), (86820, 233077), (89645, 225732), (94055, 215148), (107574, 188110), (112866, 179290)]