20291946136

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1\times {\mathrm{881}}^1$

素因数の和:1313

約数の個数: 128

約数和(自身を含む): 48009024000

約数和(自身を除く): 27717077864

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 139, 154, 269, 278, 308, 538, 556, 616, 881, 973, 1076, 1112, 1529, 1762, 1883, 1946, 2152, 2959, 3058, 3524, 3766, 3892, 5918, 6116, 6167, 7048, 7532, 7784, 9691, 10703, 11836, 12232, 12334, 15064, 19382, 20713, 21406, 23672, 24668, 37391, 38764, 41426, 42812, 49336, 67837, 74782, 77528, 82852, 85624, 122459, 135674, 149564, 165704, 236989, 244918, 261737, 271348, 299128, 411301, 473978, 489836, 523474, 542696, 822602, 857213, 947956, 979672, 1046948, 1347049, 1645204, 1658923, 1714426, 1895912, 2093896, 2606879, 2694098, 2879107, 3290408, 3317846, 3428852, 5213758, 5388196, 5758214, 6635692, 6857704, 9429343, 10427516, 10776392, 11516428, 13271384, 18248153, 18858686, 20855032, 23032856, 32941471, 36496306, 37717372, 65882942, 72992612, 75434744, 131765884, 145985224, 230590297, 263531768, 362356181, 461180594, 724712362, 922361188, 1449424724, 1844722376, 2536493267, 2898849448, 5072986534, 10145973068, 20291946136]

約数ペア:

[(1, 20291946136), (2, 10145973068), (4, 5072986534), (7, 2898849448), (8, 2536493267), (11, 1844722376), (14, 1449424724), (22, 922361188), (28, 724712362), (44, 461180594), (56, 362356181), (77, 263531768), (88, 230590297), (139, 145985224), (154, 131765884), (269, 75434744), (278, 72992612), (308, 65882942), (538, 37717372), (556, 36496306), (616, 32941471), (881, 23032856), (973, 20855032), (1076, 18858686), (1112, 18248153), (1529, 13271384), (1762, 11516428), (1883, 10776392), (1946, 10427516), (2152, 9429343), (2959, 6857704), (3058, 6635692), (3524, 5758214), (3766, 5388196), (3892, 5213758), (5918, 3428852), (6116, 3317846), (6167, 3290408), (7048, 2879107), (7532, 2694098), (7784, 2606879), (9691, 2093896), (10703, 1895912), (11836, 1714426), (12232, 1658923), (12334, 1645204), (15064, 1347049), (19382, 1046948), (20713, 979672), (21406, 947956), (23672, 857213), (24668, 822602), (37391, 542696), (38764, 523474), (41426, 489836), (42812, 473978), (49336, 411301), (67837, 299128), (74782, 271348), (77528, 261737), (82852, 244918), (85624, 236989), (122459, 165704), (135674, 149564)]