20122192

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 40477320

約数和(自身を除く): 20355128

約数列:

[1, 2, 4, 8, 16, 53, 61, 106, 122, 212, 244, 389, 424, 488, 778, 848, 976, 1556, 3112, 3233, 6224, 6466, 12932, 20617, 23729, 25864, 41234, 47458, 51728, 82468, 94916, 164936, 189832, 329872, 379664, 1257637, 2515274, 5030548, 10061096, 20122192]

約数ペア:

[(1, 20122192), (2, 10061096), (4, 5030548), (8, 2515274), (16, 1257637), (53, 379664), (61, 329872), (106, 189832), (122, 164936), (212, 94916), (244, 82468), (389, 51728), (424, 47458), (488, 41234), (778, 25864), (848, 23729), (976, 20617), (1556, 12932), (3112, 6466), (3233, 6224)]