20565587536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{126923}}^1$

素因数の和:127004

約数の個数: 80

約数和(自身を含む): 46271413440

約数和(自身を除く): 25705825904

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 208, 247, 304, 328, 494, 533, 656, 779, 988, 1066, 1558, 1976, 2132, 3116, 3952, 4264, 6232, 8528, 10127, 12464, 20254, 40508, 81016, 126923, 162032, 253846, 507692, 1015384, 1649999, 2030768, 2411537, 3299998, 4823074, 5203843, 6599996, 9646148, 10407686, 13199992, 19292296, 20815372, 26399984, 31349981, 38584592, 41630744, 62699962, 67649959, 83261488, 98873017, 125399924, 135299918, 197746034, 250799848, 270599836, 395492068, 501599696, 541199672, 790984136, 1082399344, 1285349221, 1581968272, 2570698442, 5141396884, 10282793768, 20565587536]

約数ペア:

[(1, 20565587536), (2, 10282793768), (4, 5141396884), (8, 2570698442), (13, 1581968272), (16, 1285349221), (19, 1082399344), (26, 790984136), (38, 541199672), (41, 501599696), (52, 395492068), (76, 270599836), (82, 250799848), (104, 197746034), (152, 135299918), (164, 125399924), (208, 98873017), (247, 83261488), (304, 67649959), (328, 62699962), (494, 41630744), (533, 38584592), (656, 31349981), (779, 26399984), (988, 20815372), (1066, 19292296), (1558, 13199992), (1976, 10407686), (2132, 9646148), (3116, 6599996), (3952, 5203843), (4264, 4823074), (6232, 3299998), (8528, 2411537), (10127, 2030768), (12464, 1649999), (20254, 1015384), (40508, 507692), (81016, 253846), (126923, 162032)]