20661816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6473}}^1$

素因数の和:6508

約数の個数: 64

約数和(自身を含む): 62150400

約数和(自身を除く): 41488584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 6473, 12946, 19419, 25892, 38838, 45311, 51784, 77676, 90622, 122987, 135933, 155352, 181244, 245974, 271866, 362488, 368961, 491948, 543732, 737922, 860909, 983896, 1087464, 1475844, 1721818, 2582727, 2951688, 3443636, 5165454, 6887272, 10330908, 20661816]

約数ペア:

[(1, 20661816), (2, 10330908), (3, 6887272), (4, 5165454), (6, 3443636), (7, 2951688), (8, 2582727), (12, 1721818), (14, 1475844), (19, 1087464), (21, 983896), (24, 860909), (28, 737922), (38, 543732), (42, 491948), (56, 368961), (57, 362488), (76, 271866), (84, 245974), (114, 181244), (133, 155352), (152, 135933), (168, 122987), (228, 90622), (266, 77676), (399, 51784), (456, 45311), (532, 38838), (798, 25892), (1064, 19419), (1596, 12946), (3192, 6473)]