20210571396

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{953149}}^1$

素因数の和:953209

約数の個数: 72

約数和(自身を含む): 55511456000

約数和(自身を除く): 35300884604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1116, 1178, 1767, 2356, 3534, 5301, 7068, 10602, 21204, 953149, 1906298, 2859447, 3812596, 5718894, 8578341, 11437788, 17156682, 18109831, 29547619, 34313364, 36219662, 54329493, 59095238, 72439324, 88642857, 108658986, 118190476, 162988479, 177285714, 217317972, 265928571, 325976958, 354571428, 531857142, 561404761, 651953916, 1063714284, 1122809522, 1684214283, 2245619044, 3368428566, 5052642849, 6736857132, 10105285698, 20210571396]

約数ペア:

[(1, 20210571396), (2, 10105285698), (3, 6736857132), (4, 5052642849), (6, 3368428566), (9, 2245619044), (12, 1684214283), (18, 1122809522), (19, 1063714284), (31, 651953916), (36, 561404761), (38, 531857142), (57, 354571428), (62, 325976958), (76, 265928571), (93, 217317972), (114, 177285714), (124, 162988479), (171, 118190476), (186, 108658986), (228, 88642857), (279, 72439324), (342, 59095238), (372, 54329493), (558, 36219662), (589, 34313364), (684, 29547619), (1116, 18109831), (1178, 17156682), (1767, 11437788), (2356, 8578341), (3534, 5718894), (5301, 3812596), (7068, 2859447), (10602, 1906298), (21204, 953149)]