20972873760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{101377}}^1$

素因数の和:101826

約数の個数: 96

約数和(自身を含む): 66218487552

約数和(自身を除く): 45245613792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 431, 480, 862, 1293, 1724, 2155, 2586, 3448, 4310, 5172, 6465, 6896, 8620, 10344, 12930, 13792, 17240, 20688, 25860, 34480, 41376, 51720, 68960, 101377, 103440, 202754, 206880, 304131, 405508, 506885, 608262, 811016, 1013770, 1216524, 1520655, 1622032, 2027540, 2433048, 3041310, 3244064, 4055080, 4866096, 6082620, 8110160, 9732192, 12165240, 16220320, 24330480, 43693487, 48660960, 87386974, 131080461, 174773948, 218467435, 262160922, 349547896, 436934870, 524321844, 655402305, 699095792, 873869740, 1048643688, 1310804610, 1398191584, 1747739480, 2097287376, 2621609220, 3495478960, 4194574752, 5243218440, 6990957920, 10486436880, 20972873760]

約数ペア:

[(1, 20972873760), (2, 10486436880), (3, 6990957920), (4, 5243218440), (5, 4194574752), (6, 3495478960), (8, 2621609220), (10, 2097287376), (12, 1747739480), (15, 1398191584), (16, 1310804610), (20, 1048643688), (24, 873869740), (30, 699095792), (32, 655402305), (40, 524321844), (48, 436934870), (60, 349547896), (80, 262160922), (96, 218467435), (120, 174773948), (160, 131080461), (240, 87386974), (431, 48660960), (480, 43693487), (862, 24330480), (1293, 16220320), (1724, 12165240), (2155, 9732192), (2586, 8110160), (3448, 6082620), (4310, 4866096), (5172, 4055080), (6465, 3244064), (6896, 3041310), (8620, 2433048), (10344, 2027540), (12930, 1622032), (13792, 1520655), (17240, 1216524), (20688, 1013770), (25860, 811016), (34480, 608262), (41376, 506885), (51720, 405508), (68960, 304131), (101377, 206880), (103440, 202754)]