20234077240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1\times {\mathrm{1097}}^1$

素因数の和:1649

約数の個数: 128

約数和(自身を含む): 49805280000

約数和(自身を除く): 29571202760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 449, 520, 632, 790, 898, 1027, 1097, 1580, 1796, 2054, 2194, 2245, 3160, 3592, 4108, 4388, 4490, 5135, 5485, 5837, 8216, 8776, 8980, 10270, 10970, 11674, 14261, 17960, 20540, 21940, 23348, 28522, 29185, 35471, 41080, 43880, 46696, 57044, 58370, 70942, 71305, 86663, 114088, 116740, 141884, 142610, 173326, 177355, 233480, 283768, 285220, 346652, 354710, 433315, 461123, 492553, 570440, 693304, 709420, 866630, 922246, 985106, 1126619, 1418840, 1733260, 1844492, 1970212, 2253238, 2305615, 2462765, 3466520, 3688984, 3940424, 4506476, 4611230, 4925530, 5633095, 6403189, 9012952, 9222460, 9851060, 11266190, 12806378, 18444920, 19702120, 22532380, 25612756, 32015945, 38911687, 45064760, 51225512, 64031890, 77823374, 128063780, 155646748, 194558435, 256127560, 311293496, 389116870, 505851931, 778233740, 1011703862, 1556467480, 2023407724, 2529259655, 4046815448, 5058519310, 10117038620, 20234077240]

約数ペア:

[(1, 20234077240), (2, 10117038620), (4, 5058519310), (5, 4046815448), (8, 2529259655), (10, 2023407724), (13, 1556467480), (20, 1011703862), (26, 778233740), (40, 505851931), (52, 389116870), (65, 311293496), (79, 256127560), (104, 194558435), (130, 155646748), (158, 128063780), (260, 77823374), (316, 64031890), (395, 51225512), (449, 45064760), (520, 38911687), (632, 32015945), (790, 25612756), (898, 22532380), (1027, 19702120), (1097, 18444920), (1580, 12806378), (1796, 11266190), (2054, 9851060), (2194, 9222460), (2245, 9012952), (3160, 6403189), (3592, 5633095), (4108, 4925530), (4388, 4611230), (4490, 4506476), (5135, 3940424), (5485, 3688984), (5837, 3466520), (8216, 2462765), (8776, 2305615), (8980, 2253238), (10270, 1970212), (10970, 1844492), (11674, 1733260), (14261, 1418840), (17960, 1126619), (20540, 985106), (21940, 922246), (23348, 866630), (28522, 709420), (29185, 693304), (35471, 570440), (41080, 492553), (43880, 461123), (46696, 433315), (57044, 354710), (58370, 346652), (70942, 285220), (71305, 283768), (86663, 233480), (114088, 177355), (116740, 173326), (141884, 142610)]