20179904580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{24919}}^1$

素因数の和:25354

約数の個数: 144

約数和(自身を含む): 66943094400

約数和(自身を除く): 46763189820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 409, 495, 660, 818, 990, 1227, 1636, 1980, 2045, 2454, 3681, 4090, 4499, 4908, 6135, 7362, 8180, 8998, 12270, 13497, 14724, 17996, 18405, 22495, 24540, 24919, 26994, 36810, 40491, 44990, 49838, 53988, 67485, 73620, 74757, 80982, 89980, 99676, 124595, 134970, 149514, 161964, 202455, 224271, 249190, 269940, 274109, 299028, 373785, 404910, 448542, 498380, 548218, 747570, 809820, 822327, 897084, 1096436, 1121355, 1370545, 1495140, 1644654, 2242710, 2466981, 2741090, 3289308, 4111635, 4485420, 4933962, 5482180, 8223270, 9867924, 10191871, 12334905, 16446540, 20383742, 24669810, 30575613, 40767484, 49339620, 50959355, 61151226, 91726839, 101918710, 112110581, 122302452, 152878065, 183453678, 203837420, 224221162, 305756130, 336331743, 366907356, 448442324, 458634195, 560552905, 611512260, 672663486, 917268390, 1008995229, 1121105810, 1345326972, 1681658715, 1834536780, 2017990458, 2242211620, 3363317430, 4035980916, 5044976145, 6726634860, 10089952290, 20179904580]

約数ペア:

[(1, 20179904580), (2, 10089952290), (3, 6726634860), (4, 5044976145), (5, 4035980916), (6, 3363317430), (9, 2242211620), (10, 2017990458), (11, 1834536780), (12, 1681658715), (15, 1345326972), (18, 1121105810), (20, 1008995229), (22, 917268390), (30, 672663486), (33, 611512260), (36, 560552905), (44, 458634195), (45, 448442324), (55, 366907356), (60, 336331743), (66, 305756130), (90, 224221162), (99, 203837420), (110, 183453678), (132, 152878065), (165, 122302452), (180, 112110581), (198, 101918710), (220, 91726839), (330, 61151226), (396, 50959355), (409, 49339620), (495, 40767484), (660, 30575613), (818, 24669810), (990, 20383742), (1227, 16446540), (1636, 12334905), (1980, 10191871), (2045, 9867924), (2454, 8223270), (3681, 5482180), (4090, 4933962), (4499, 4485420), (4908, 4111635), (6135, 3289308), (7362, 2741090), (8180, 2466981), (8998, 2242710), (12270, 1644654), (13497, 1495140), (14724, 1370545), (17996, 1121355), (18405, 1096436), (22495, 897084), (24540, 822327), (24919, 809820), (26994, 747570), (36810, 548218), (40491, 498380), (44990, 448542), (49838, 404910), (53988, 373785), (67485, 299028), (73620, 274109), (74757, 269940), (80982, 249190), (89980, 224271), (99676, 202455), (124595, 161964), (134970, 149514)]