20198207772

素因数分解:

$2^2\times 3^2\times {\mathrm{271}}^1\times {\mathrm{863}}^1\times {\mathrm{2399}}^1$

素因数の和:3543

約数の個数: 72

約数和(自身を含む): 51325747200

約数和(自身を除く): 31127539428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 271, 542, 813, 863, 1084, 1626, 1726, 2399, 2439, 2589, 3252, 3452, 4798, 4878, 5178, 7197, 7767, 9596, 9756, 10356, 14394, 15534, 21591, 28788, 31068, 43182, 86364, 233873, 467746, 650129, 701619, 935492, 1300258, 1403238, 1950387, 2070337, 2104857, 2600516, 2806476, 3900774, 4140674, 4209714, 5851161, 6211011, 7801548, 8281348, 8419428, 11702322, 12422022, 18633033, 23404644, 24844044, 37266066, 74532132, 561061327, 1122122654, 1683183981, 2244245308, 3366367962, 5049551943, 6732735924, 10099103886, 20198207772]

約数ペア:

[(1, 20198207772), (2, 10099103886), (3, 6732735924), (4, 5049551943), (6, 3366367962), (9, 2244245308), (12, 1683183981), (18, 1122122654), (36, 561061327), (271, 74532132), (542, 37266066), (813, 24844044), (863, 23404644), (1084, 18633033), (1626, 12422022), (1726, 11702322), (2399, 8419428), (2439, 8281348), (2589, 7801548), (3252, 6211011), (3452, 5851161), (4798, 4209714), (4878, 4140674), (5178, 3900774), (7197, 2806476), (7767, 2600516), (9596, 2104857), (9756, 2070337), (10356, 1950387), (14394, 1403238), (15534, 1300258), (21591, 935492), (28788, 701619), (31068, 650129), (43182, 467746), (86364, 233873)]