20171906820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2873491}}^1$

素因数の和:2873522

約数の個数: 96

約数和(自身を含む): 67584531840

約数和(自身を除く): 47412625020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 2873491, 5746982, 8620473, 11493964, 14367455, 17240946, 25861419, 28734910, 34481892, 37355383, 43102365, 51722838, 57469820, 74710766, 77584257, 86204730, 103445676, 112066149, 129307095, 149421532, 155168514, 172409460, 186776915, 224132298, 258614190, 310337028, 336198447, 373553830, 387921285, 448264596, 517228380, 560330745, 672396894, 747107660, 775842570, 1008595341, 1120661490, 1344793788, 1551685140, 1680992235, 2017190682, 2241322980, 3361984470, 4034381364, 5042976705, 6723968940, 10085953410, 20171906820]

約数ペア:

[(1, 20171906820), (2, 10085953410), (3, 6723968940), (4, 5042976705), (5, 4034381364), (6, 3361984470), (9, 2241322980), (10, 2017190682), (12, 1680992235), (13, 1551685140), (15, 1344793788), (18, 1120661490), (20, 1008595341), (26, 775842570), (27, 747107660), (30, 672396894), (36, 560330745), (39, 517228380), (45, 448264596), (52, 387921285), (54, 373553830), (60, 336198447), (65, 310337028), (78, 258614190), (90, 224132298), (108, 186776915), (117, 172409460), (130, 155168514), (135, 149421532), (156, 129307095), (180, 112066149), (195, 103445676), (234, 86204730), (260, 77584257), (270, 74710766), (351, 57469820), (390, 51722838), (468, 43102365), (540, 37355383), (585, 34481892), (702, 28734910), (780, 25861419), (1170, 17240946), (1404, 14367455), (1755, 11493964), (2340, 8620473), (3510, 5746982), (7020, 2873491)]