20201490045

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{1601}}^1$

素因数の和:1948

約数の個数: 128

約数和(自身を含む): 40693363200

約数和(自身を除く): 20491873155

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 87, 99, 135, 145, 165, 261, 293, 297, 319, 435, 495, 783, 879, 957, 1305, 1465, 1485, 1595, 1601, 2637, 2871, 3223, 3915, 4395, 4785, 4803, 7911, 8005, 8497, 8613, 9669, 13185, 14355, 14409, 16115, 17611, 24015, 25491, 29007, 39555, 42485, 43065, 43227, 46429, 48345, 52833, 72045, 76473, 87021, 88055, 93467, 127455, 139287, 145035, 158499, 216135, 229419, 232145, 264165, 280401, 382365, 417861, 435105, 467335, 469093, 475497, 510719, 696435, 792495, 841203, 1147095, 1253583, 1402005, 1407279, 1532157, 2089305, 2345465, 2377485, 2523609, 2553595, 4206015, 4221837, 4596471, 5160023, 6267915, 7036395, 7660785, 12618045, 12665511, 13603697, 13789413, 15480069, 21109185, 22982355, 25800115, 40811091, 46440207, 63327555, 68018485, 68947065, 77400345, 122433273, 139320621, 149640667, 204055455, 232201035, 367299819, 448922001, 612166365, 696603105, 748203335, 1346766003, 1836499095, 2244610005, 4040298009, 6733830015, 20201490045]

約数ペア:

[(1, 20201490045), (3, 6733830015), (5, 4040298009), (9, 2244610005), (11, 1836499095), (15, 1346766003), (27, 748203335), (29, 696603105), (33, 612166365), (45, 448922001), (55, 367299819), (87, 232201035), (99, 204055455), (135, 149640667), (145, 139320621), (165, 122433273), (261, 77400345), (293, 68947065), (297, 68018485), (319, 63327555), (435, 46440207), (495, 40811091), (783, 25800115), (879, 22982355), (957, 21109185), (1305, 15480069), (1465, 13789413), (1485, 13603697), (1595, 12665511), (1601, 12618045), (2637, 7660785), (2871, 7036395), (3223, 6267915), (3915, 5160023), (4395, 4596471), (4785, 4221837), (4803, 4206015), (7911, 2553595), (8005, 2523609), (8497, 2377485), (8613, 2345465), (9669, 2089305), (13185, 1532157), (14355, 1407279), (14409, 1402005), (16115, 1253583), (17611, 1147095), (24015, 841203), (25491, 792495), (29007, 696435), (39555, 510719), (42485, 475497), (43065, 469093), (43227, 467335), (46429, 435105), (48345, 417861), (52833, 382365), (72045, 280401), (76473, 264165), (87021, 232145), (88055, 229419), (93467, 216135), (127455, 158499), (139287, 145035)]