19928760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9769}}^1$

素因数の和:9800

約数の個数: 64

約数和(自身を含む): 63309600

約数和(自身を除く): 43380840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9769, 19538, 29307, 39076, 48845, 58614, 78152, 97690, 117228, 146535, 166073, 195380, 234456, 293070, 332146, 390760, 498219, 586140, 664292, 830365, 996438, 1172280, 1328584, 1660730, 1992876, 2491095, 3321460, 3985752, 4982190, 6642920, 9964380, 19928760]

約数ペア:

[(1, 19928760), (2, 9964380), (3, 6642920), (4, 4982190), (5, 3985752), (6, 3321460), (8, 2491095), (10, 1992876), (12, 1660730), (15, 1328584), (17, 1172280), (20, 996438), (24, 830365), (30, 664292), (34, 586140), (40, 498219), (51, 390760), (60, 332146), (68, 293070), (85, 234456), (102, 195380), (120, 166073), (136, 146535), (170, 117228), (204, 97690), (255, 78152), (340, 58614), (408, 48845), (510, 39076), (680, 29307), (1020, 19538), (2040, 9769)]