20601750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2113}}^1$

素因数の和:2146

約数の個数: 64

約数和(自身を含む): 55403712

約数和(自身を除く): 34801962

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 2113, 3250, 4226, 4875, 6339, 9750, 10565, 12678, 21130, 27469, 31695, 52825, 54938, 63390, 82407, 105650, 137345, 158475, 164814, 264125, 274690, 316950, 412035, 528250, 686725, 792375, 824070, 1373450, 1584750, 2060175, 3433625, 4120350, 6867250, 10300875, 20601750]

約数ペア:

[(1, 20601750), (2, 10300875), (3, 6867250), (5, 4120350), (6, 3433625), (10, 2060175), (13, 1584750), (15, 1373450), (25, 824070), (26, 792375), (30, 686725), (39, 528250), (50, 412035), (65, 316950), (75, 274690), (78, 264125), (125, 164814), (130, 158475), (150, 137345), (195, 105650), (250, 82407), (325, 63390), (375, 54938), (390, 52825), (650, 31695), (750, 27469), (975, 21130), (1625, 12678), (1950, 10565), (2113, 9750), (3250, 6339), (4226, 4875)]