20697930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:154

約数の個数: 160

約数和(自身を含む): 63980928

約数和(自身を除く): 43282998

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 30, 33, 45, 46, 54, 55, 66, 69, 81, 90, 99, 101, 110, 115, 135, 138, 162, 165, 198, 202, 207, 230, 253, 270, 297, 303, 330, 345, 405, 414, 495, 505, 506, 594, 606, 621, 690, 759, 810, 891, 909, 990, 1010, 1035, 1111, 1242, 1265, 1485, 1515, 1518, 1782, 1818, 1863, 2070, 2222, 2277, 2323, 2530, 2727, 2970, 3030, 3105, 3333, 3726, 3795, 4455, 4545, 4554, 4646, 5454, 5555, 6210, 6666, 6831, 6969, 7590, 8181, 8910, 9090, 9315, 9999, 11110, 11385, 11615, 13635, 13662, 13938, 16362, 16665, 18630, 19998, 20493, 20907, 22770, 23230, 25553, 27270, 29997, 33330, 34155, 34845, 40905, 40986, 41814, 49995, 51106, 59994, 62721, 68310, 69690, 76659, 81810, 89991, 99990, 102465, 104535, 125442, 127765, 149985, 153318, 179982, 188163, 204930, 209070, 229977, 255530, 299970, 313605, 376326, 383295, 449955, 459954, 627210, 689931, 766590, 899910, 940815, 1149885, 1379862, 1881630, 2069793, 2299770, 3449655, 4139586, 6899310, 10348965, 20697930]

約数ペア:

[(1, 20697930), (2, 10348965), (3, 6899310), (5, 4139586), (6, 3449655), (9, 2299770), (10, 2069793), (11, 1881630), (15, 1379862), (18, 1149885), (22, 940815), (23, 899910), (27, 766590), (30, 689931), (33, 627210), (45, 459954), (46, 449955), (54, 383295), (55, 376326), (66, 313605), (69, 299970), (81, 255530), (90, 229977), (99, 209070), (101, 204930), (110, 188163), (115, 179982), (135, 153318), (138, 149985), (162, 127765), (165, 125442), (198, 104535), (202, 102465), (207, 99990), (230, 89991), (253, 81810), (270, 76659), (297, 69690), (303, 68310), (330, 62721), (345, 59994), (405, 51106), (414, 49995), (495, 41814), (505, 40986), (506, 40905), (594, 34845), (606, 34155), (621, 33330), (690, 29997), (759, 27270), (810, 25553), (891, 23230), (909, 22770), (990, 20907), (1010, 20493), (1035, 19998), (1111, 18630), (1242, 16665), (1265, 16362), (1485, 13938), (1515, 13662), (1518, 13635), (1782, 11615), (1818, 11385), (1863, 11110), (2070, 9999), (2222, 9315), (2277, 9090), (2323, 8910), (2530, 8181), (2727, 7590), (2970, 6969), (3030, 6831), (3105, 6666), (3333, 6210), (3726, 5555), (3795, 5454), (4455, 4646), (4545, 4554)]