20368680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{631}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 61430400

約数和(自身を除く): 41061720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 631, 807, 1076, 1262, 1345, 1614, 1893, 2152, 2524, 2690, 3155, 3228, 3786, 4035, 5048, 5380, 6310, 6456, 7572, 8070, 9465, 10760, 12620, 15144, 16140, 18930, 25240, 32280, 37860, 75720, 169739, 339478, 509217, 678956, 848695, 1018434, 1357912, 1697390, 2036868, 2546085, 3394780, 4073736, 5092170, 6789560, 10184340, 20368680]

約数ペア:

[(1, 20368680), (2, 10184340), (3, 6789560), (4, 5092170), (5, 4073736), (6, 3394780), (8, 2546085), (10, 2036868), (12, 1697390), (15, 1357912), (20, 1018434), (24, 848695), (30, 678956), (40, 509217), (60, 339478), (120, 169739), (269, 75720), (538, 37860), (631, 32280), (807, 25240), (1076, 18930), (1262, 16140), (1345, 15144), (1614, 12620), (1893, 10760), (2152, 9465), (2524, 8070), (2690, 7572), (3155, 6456), (3228, 6310), (3786, 5380), (4035, 5048)]