20910367010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{30389}}^1$

素因数の和:30555

約数の個数: 64

約数和(自身を含む): 41661043200

約数和(自身を除く): 20750676190

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 79, 130, 134, 158, 335, 395, 670, 790, 871, 1027, 1742, 2054, 4355, 5135, 5293, 8710, 10270, 10586, 26465, 30389, 52930, 60778, 68809, 137618, 151945, 303890, 344045, 395057, 688090, 790114, 1975285, 2036063, 2400731, 3950570, 4072126, 4801462, 10180315, 12003655, 20360630, 24007310, 26468819, 31209503, 52937638, 62419006, 132344095, 156047515, 160848977, 264688190, 312095030, 321697954, 804244885, 1608489770, 2091036701, 4182073402, 10455183505, 20910367010]

約数ペア:

[(1, 20910367010), (2, 10455183505), (5, 4182073402), (10, 2091036701), (13, 1608489770), (26, 804244885), (65, 321697954), (67, 312095030), (79, 264688190), (130, 160848977), (134, 156047515), (158, 132344095), (335, 62419006), (395, 52937638), (670, 31209503), (790, 26468819), (871, 24007310), (1027, 20360630), (1742, 12003655), (2054, 10180315), (4355, 4801462), (5135, 4072126), (5293, 3950570), (8710, 2400731), (10270, 2036063), (10586, 1975285), (26465, 790114), (30389, 688090), (52930, 395057), (60778, 344045), (68809, 303890), (137618, 151945)]