20209955280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{8627}}^1$

素因数の和:8913

約数の個数: 160

約数和(自身を含む): 64397735424

約数和(自身を除く): 44187780144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 227, 240, 258, 344, 430, 454, 516, 645, 681, 688, 860, 908, 1032, 1135, 1290, 1362, 1720, 1816, 2064, 2270, 2580, 2724, 3405, 3440, 3632, 4540, 5160, 5448, 6810, 8627, 9080, 9761, 10320, 10896, 13620, 17254, 18160, 19522, 25881, 27240, 29283, 34508, 39044, 43135, 48805, 51762, 54480, 58566, 69016, 78088, 86270, 97610, 103524, 117132, 129405, 138032, 146415, 156176, 172540, 195220, 207048, 234264, 258810, 292830, 345080, 370961, 390440, 414096, 468528, 517620, 585660, 690160, 741922, 780880, 1035240, 1112883, 1171320, 1483844, 1854805, 1958329, 2070480, 2225766, 2342640, 2967688, 3709610, 3916658, 4451532, 5564415, 5874987, 5935376, 7419220, 7833316, 8903064, 9791645, 11128830, 11749974, 14838440, 15666632, 17806128, 19583290, 22257660, 23499948, 29374935, 29676880, 31333264, 39166580, 44515320, 46999896, 58749870, 78333160, 84208147, 89030640, 93999792, 117499740, 156666320, 168416294, 234999480, 252624441, 336832588, 421040735, 469998960, 505248882, 673665176, 842081470, 1010497764, 1263122205, 1347330352, 1684162940, 2020995528, 2526244410, 3368325880, 4041991056, 5052488820, 6736651760, 10104977640, 20209955280]

約数ペア:

[(1, 20209955280), (2, 10104977640), (3, 6736651760), (4, 5052488820), (5, 4041991056), (6, 3368325880), (8, 2526244410), (10, 2020995528), (12, 1684162940), (15, 1347330352), (16, 1263122205), (20, 1010497764), (24, 842081470), (30, 673665176), (40, 505248882), (43, 469998960), (48, 421040735), (60, 336832588), (80, 252624441), (86, 234999480), (120, 168416294), (129, 156666320), (172, 117499740), (215, 93999792), (227, 89030640), (240, 84208147), (258, 78333160), (344, 58749870), (430, 46999896), (454, 44515320), (516, 39166580), (645, 31333264), (681, 29676880), (688, 29374935), (860, 23499948), (908, 22257660), (1032, 19583290), (1135, 17806128), (1290, 15666632), (1362, 14838440), (1720, 11749974), (1816, 11128830), (2064, 9791645), (2270, 8903064), (2580, 7833316), (2724, 7419220), (3405, 5935376), (3440, 5874987), (3632, 5564415), (4540, 4451532), (5160, 3916658), (5448, 3709610), (6810, 2967688), (8627, 2342640), (9080, 2225766), (9761, 2070480), (10320, 1958329), (10896, 1854805), (13620, 1483844), (17254, 1171320), (18160, 1112883), (19522, 1035240), (25881, 780880), (27240, 741922), (29283, 690160), (34508, 585660), (39044, 517620), (43135, 468528), (48805, 414096), (51762, 390440), (54480, 370961), (58566, 345080), (69016, 292830), (78088, 258810), (86270, 234264), (97610, 207048), (103524, 195220), (117132, 172540), (129405, 156176), (138032, 146415)]