20321496

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7237}}^1$

素因数の和:7265

約数の個数: 64

約数和(自身を含む): 60799200

約数和(自身を除く): 40477704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7237, 14474, 21711, 28948, 43422, 57896, 65133, 86844, 94081, 130266, 173688, 188162, 195399, 260532, 282243, 376324, 390798, 521064, 564486, 752648, 781596, 846729, 1128972, 1563192, 1693458, 2257944, 2540187, 3386916, 5080374, 6773832, 10160748, 20321496]

約数ペア:

[(1, 20321496), (2, 10160748), (3, 6773832), (4, 5080374), (6, 3386916), (8, 2540187), (9, 2257944), (12, 1693458), (13, 1563192), (18, 1128972), (24, 846729), (26, 781596), (27, 752648), (36, 564486), (39, 521064), (52, 390798), (54, 376324), (72, 282243), (78, 260532), (104, 195399), (108, 188162), (117, 173688), (156, 130266), (216, 94081), (234, 86844), (312, 65133), (351, 57896), (468, 43422), (702, 28948), (936, 21711), (1404, 14474), (2808, 7237)]