20454252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18731}}^1$

素因数の和:18758

約数の個数: 48

約数和(自身を含む): 58743552

約数和(自身を除く): 38289300

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18731, 37462, 56193, 74924, 112386, 131117, 224772, 243503, 262234, 393351, 487006, 524468, 730509, 786702, 974012, 1461018, 1573404, 1704521, 2922036, 3409042, 5113563, 6818084, 10227126, 20454252]

約数ペア:

[(1, 20454252), (2, 10227126), (3, 6818084), (4, 5113563), (6, 3409042), (7, 2922036), (12, 1704521), (13, 1573404), (14, 1461018), (21, 974012), (26, 786702), (28, 730509), (39, 524468), (42, 487006), (52, 393351), (78, 262234), (84, 243503), (91, 224772), (156, 131117), (182, 112386), (273, 74924), (364, 56193), (546, 37462), (1092, 18731)]