20194520944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1\times {\mathrm{2711}}^1$

素因数の和:3398

約数の個数: 80

約数和(自身を含む): 42937251840

約数和(自身を除く): 22742730896

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 607, 767, 944, 1214, 1534, 2428, 2711, 3068, 4856, 5422, 6136, 7891, 9712, 10844, 12272, 15782, 21688, 31564, 35243, 35813, 43376, 63128, 70486, 71626, 126256, 140972, 143252, 159949, 281944, 286504, 319898, 465569, 563888, 573008, 639796, 931138, 1279592, 1645577, 1862276, 2079337, 2559184, 3291154, 3724552, 4158674, 6582308, 7449104, 8317348, 13164616, 16634696, 21392501, 26329232, 33269392, 42785002, 85570004, 97089043, 171140008, 194178086, 342280016, 388356172, 776712344, 1262157559, 1553424688, 2524315118, 5048630236, 10097260472, 20194520944]

約数ペア:

[(1, 20194520944), (2, 10097260472), (4, 5048630236), (8, 2524315118), (13, 1553424688), (16, 1262157559), (26, 776712344), (52, 388356172), (59, 342280016), (104, 194178086), (118, 171140008), (208, 97089043), (236, 85570004), (472, 42785002), (607, 33269392), (767, 26329232), (944, 21392501), (1214, 16634696), (1534, 13164616), (2428, 8317348), (2711, 7449104), (3068, 6582308), (4856, 4158674), (5422, 3724552), (6136, 3291154), (7891, 2559184), (9712, 2079337), (10844, 1862276), (12272, 1645577), (15782, 1279592), (21688, 931138), (31564, 639796), (35243, 573008), (35813, 563888), (43376, 465569), (63128, 319898), (70486, 286504), (71626, 281944), (126256, 159949), (140972, 143252)]