20366775

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 44163840

約数和(自身を除く): 23797065

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 27, 33, 39, 45, 55, 65, 75, 99, 117, 135, 143, 165, 195, 211, 225, 275, 297, 325, 351, 429, 495, 585, 633, 675, 715, 825, 975, 1055, 1287, 1485, 1755, 1899, 2145, 2321, 2475, 2743, 2925, 3165, 3575, 3861, 5275, 5697, 6435, 6963, 7425, 8229, 8775, 9495, 10725, 11605, 13715, 15825, 19305, 20889, 24687, 28485, 30173, 32175, 34815, 41145, 47475, 58025, 62667, 68575, 74061, 90519, 96525, 104445, 123435, 142425, 150865, 174075, 205725, 271557, 313335, 370305, 452595, 522225, 617175, 754325, 814671, 1357785, 1566675, 1851525, 2262975, 4073355, 6788925, 20366775]

約数ペア:

[(1, 20366775), (3, 6788925), (5, 4073355), (9, 2262975), (11, 1851525), (13, 1566675), (15, 1357785), (25, 814671), (27, 754325), (33, 617175), (39, 522225), (45, 452595), (55, 370305), (65, 313335), (75, 271557), (99, 205725), (117, 174075), (135, 150865), (143, 142425), (165, 123435), (195, 104445), (211, 96525), (225, 90519), (275, 74061), (297, 68575), (325, 62667), (351, 58025), (429, 47475), (495, 41145), (585, 34815), (633, 32175), (675, 30173), (715, 28485), (825, 24687), (975, 20889), (1055, 19305), (1287, 15825), (1485, 13715), (1755, 11605), (1899, 10725), (2145, 9495), (2321, 8775), (2475, 8229), (2743, 7425), (2925, 6963), (3165, 6435), (3575, 5697), (3861, 5275)]