20578919796

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{3067}}^1\times {\mathrm{6427}}^1$

素因数の和:9533

約数の個数: 72

約数和(自身を含む): 53838613920

約数和(自身を除く): 33259694124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 3067, 6134, 6427, 9201, 12268, 12854, 18402, 19281, 25708, 27603, 36804, 38562, 55206, 57843, 77124, 88943, 110412, 115686, 177886, 186383, 231372, 266829, 355772, 372766, 533658, 559149, 745532, 800487, 1067316, 1118298, 1600974, 1677447, 2236596, 3201948, 3354894, 6709788, 19711609, 39423218, 59134827, 78846436, 118269654, 177404481, 236539308, 354808962, 571636661, 709617924, 1143273322, 1714909983, 2286546644, 3429819966, 5144729949, 6859639932, 10289459898, 20578919796]

約数ペア:

[(1, 20578919796), (2, 10289459898), (3, 6859639932), (4, 5144729949), (6, 3429819966), (9, 2286546644), (12, 1714909983), (18, 1143273322), (29, 709617924), (36, 571636661), (58, 354808962), (87, 236539308), (116, 177404481), (174, 118269654), (261, 78846436), (348, 59134827), (522, 39423218), (1044, 19711609), (3067, 6709788), (6134, 3354894), (6427, 3201948), (9201, 2236596), (12268, 1677447), (12854, 1600974), (18402, 1118298), (19281, 1067316), (25708, 800487), (27603, 745532), (36804, 559149), (38562, 533658), (55206, 372766), (57843, 355772), (77124, 266829), (88943, 231372), (110412, 186383), (115686, 177886)]