20235845240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3271}}^1\times {\mathrm{11897}}^1$

素因数の和:15192

約数の個数: 64

約数和(自身を含む): 49052122560

約数和(自身を除く): 28816277320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3271, 6542, 11897, 13084, 16355, 23794, 26168, 32710, 42523, 47588, 59485, 65420, 85046, 95176, 118970, 130840, 154661, 170092, 212615, 237940, 309322, 340184, 425230, 475880, 618644, 773305, 850460, 1237288, 1546610, 1700920, 3093220, 6186440, 38915087, 77830174, 155660348, 194575435, 311320696, 389150870, 505896131, 778301740, 1011792262, 1556603480, 2023584524, 2529480655, 4047169048, 5058961310, 10117922620, 20235845240]

約数ペア:

[(1, 20235845240), (2, 10117922620), (4, 5058961310), (5, 4047169048), (8, 2529480655), (10, 2023584524), (13, 1556603480), (20, 1011792262), (26, 778301740), (40, 505896131), (52, 389150870), (65, 311320696), (104, 194575435), (130, 155660348), (260, 77830174), (520, 38915087), (3271, 6186440), (6542, 3093220), (11897, 1700920), (13084, 1546610), (16355, 1237288), (23794, 850460), (26168, 773305), (32710, 618644), (42523, 475880), (47588, 425230), (59485, 340184), (65420, 309322), (85046, 237940), (95176, 212615), (118970, 170092), (130840, 154661)]