20953338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9413}}^1$

素因数の和:9478

約数の個数: 32

約数和(自身を含む): 48802176

約数和(自身を除く): 27848838

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9413, 18826, 28239, 56478, 65891, 131782, 197673, 395346, 498889, 997778, 1496667, 2993334, 3492223, 6984446, 10476669, 20953338]

約数ペア:

[(1, 20953338), (2, 10476669), (3, 6984446), (6, 3492223), (7, 2993334), (14, 1496667), (21, 997778), (42, 498889), (53, 395346), (106, 197673), (159, 131782), (318, 65891), (371, 56478), (742, 28239), (1113, 18826), (2226, 9413)]