20722320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1693}}^1$

素因数の和:1729

約数の個数: 120

約数和(自身を含む): 73729656

約数和(自身を除く): 53007336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 1693, 2040, 2448, 3060, 3386, 4080, 5079, 6120, 6772, 8465, 10158, 12240, 13544, 15237, 16930, 20316, 25395, 27088, 28781, 30474, 33860, 40632, 50790, 57562, 60948, 67720, 76185, 81264, 86343, 101580, 115124, 121896, 135440, 143905, 152370, 172686, 203160, 230248, 243792, 259029, 287810, 304740, 345372, 406320, 431715, 460496, 518058, 575620, 609480, 690744, 863430, 1036116, 1151240, 1218960, 1295145, 1381488, 1726860, 2072232, 2302480, 2590290, 3453720, 4144464, 5180580, 6907440, 10361160, 20722320]

約数ペア:

[(1, 20722320), (2, 10361160), (3, 6907440), (4, 5180580), (5, 4144464), (6, 3453720), (8, 2590290), (9, 2302480), (10, 2072232), (12, 1726860), (15, 1381488), (16, 1295145), (17, 1218960), (18, 1151240), (20, 1036116), (24, 863430), (30, 690744), (34, 609480), (36, 575620), (40, 518058), (45, 460496), (48, 431715), (51, 406320), (60, 345372), (68, 304740), (72, 287810), (80, 259029), (85, 243792), (90, 230248), (102, 203160), (120, 172686), (136, 152370), (144, 143905), (153, 135440), (170, 121896), (180, 115124), (204, 101580), (240, 86343), (255, 81264), (272, 76185), (306, 67720), (340, 60948), (360, 57562), (408, 50790), (510, 40632), (612, 33860), (680, 30474), (720, 28781), (765, 27088), (816, 25395), (1020, 20316), (1224, 16930), (1360, 15237), (1530, 13544), (1693, 12240), (2040, 10158), (2448, 8465), (3060, 6772), (3386, 6120), (4080, 5079)]