20664810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 57283200

約数和(自身を除く): 36618390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 67, 69, 90, 115, 134, 138, 149, 201, 207, 230, 298, 335, 345, 402, 414, 447, 603, 670, 690, 745, 894, 1005, 1035, 1206, 1341, 1490, 1541, 2010, 2070, 2235, 2682, 3015, 3082, 3427, 4470, 4623, 6030, 6705, 6854, 7705, 9246, 9983, 10281, 13410, 13869, 15410, 17135, 19966, 20562, 23115, 27738, 29949, 30843, 34270, 46230, 49915, 51405, 59898, 61686, 69345, 89847, 99830, 102810, 138690, 149745, 154215, 179694, 229609, 299490, 308430, 449235, 459218, 688827, 898470, 1148045, 1377654, 2066481, 2296090, 3444135, 4132962, 6888270, 10332405, 20664810]

約数ペア:

[(1, 20664810), (2, 10332405), (3, 6888270), (5, 4132962), (6, 3444135), (9, 2296090), (10, 2066481), (15, 1377654), (18, 1148045), (23, 898470), (30, 688827), (45, 459218), (46, 449235), (67, 308430), (69, 299490), (90, 229609), (115, 179694), (134, 154215), (138, 149745), (149, 138690), (201, 102810), (207, 99830), (230, 89847), (298, 69345), (335, 61686), (345, 59898), (402, 51405), (414, 49915), (447, 46230), (603, 34270), (670, 30843), (690, 29949), (745, 27738), (894, 23115), (1005, 20562), (1035, 19966), (1206, 17135), (1341, 15410), (1490, 13869), (1541, 13410), (2010, 10281), (2070, 9983), (2235, 9246), (2682, 7705), (3015, 6854), (3082, 6705), (3427, 6030), (4470, 4623)]