20082780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6563}}^1$

素因数の和:6595

約数の個数: 72

約数和(自身を含む): 64510992

約数和(自身を除く): 44428212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6563, 13126, 19689, 26252, 32815, 39378, 59067, 65630, 78756, 98445, 111571, 118134, 131260, 196890, 223142, 236268, 295335, 334713, 393780, 446284, 557855, 590670, 669426, 1004139, 1115710, 1181340, 1338852, 1673565, 2008278, 2231420, 3347130, 4016556, 5020695, 6694260, 10041390, 20082780]

約数ペア:

[(1, 20082780), (2, 10041390), (3, 6694260), (4, 5020695), (5, 4016556), (6, 3347130), (9, 2231420), (10, 2008278), (12, 1673565), (15, 1338852), (17, 1181340), (18, 1115710), (20, 1004139), (30, 669426), (34, 590670), (36, 557855), (45, 446284), (51, 393780), (60, 334713), (68, 295335), (85, 236268), (90, 223142), (102, 196890), (153, 131260), (170, 118134), (180, 111571), (204, 98445), (255, 78756), (306, 65630), (340, 59067), (510, 39378), (612, 32815), (765, 26252), (1020, 19689), (1530, 13126), (3060, 6563)]