20563400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 35683000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 130, 143, 200, 220, 260, 275, 286, 325, 440, 520, 550, 572, 650, 715, 719, 1100, 1144, 1300, 1430, 1438, 2200, 2600, 2860, 2876, 3575, 3595, 5720, 5752, 7150, 7190, 7909, 9347, 14300, 14380, 15818, 17975, 18694, 28600, 28760, 31636, 35950, 37388, 39545, 46735, 63272, 71900, 74776, 79090, 93470, 102817, 143800, 158180, 186940, 197725, 205634, 233675, 316360, 373880, 395450, 411268, 467350, 514085, 790900, 822536, 934700, 1028170, 1581800, 1869400, 2056340, 2570425, 4112680, 5140850, 10281700, 20563400]

約数ペア:

[(1, 20563400), (2, 10281700), (4, 5140850), (5, 4112680), (8, 2570425), (10, 2056340), (11, 1869400), (13, 1581800), (20, 1028170), (22, 934700), (25, 822536), (26, 790900), (40, 514085), (44, 467350), (50, 411268), (52, 395450), (55, 373880), (65, 316360), (88, 233675), (100, 205634), (104, 197725), (110, 186940), (130, 158180), (143, 143800), (200, 102817), (220, 93470), (260, 79090), (275, 74776), (286, 71900), (325, 63272), (440, 46735), (520, 39545), (550, 37388), (572, 35950), (650, 31636), (715, 28760), (719, 28600), (1100, 18694), (1144, 17975), (1300, 15818), (1430, 14380), (1438, 14300), (2200, 9347), (2600, 7909), (2860, 7190), (2876, 7150), (3575, 5752), (3595, 5720)]