20123892488

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4329581}}^1$

素因数の和:4329677

約数の個数: 32

約数和(自身を含む): 43642186560

約数和(自身を除く): 23518294072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4648, 4329581, 8659162, 17318324, 30307067, 34636648, 60614134, 121228268, 242456536, 359355223, 718710446, 1437420892, 2515486561, 2874841784, 5030973122, 10061946244, 20123892488]

約数ペア:

[(1, 20123892488), (2, 10061946244), (4, 5030973122), (7, 2874841784), (8, 2515486561), (14, 1437420892), (28, 718710446), (56, 359355223), (83, 242456536), (166, 121228268), (332, 60614134), (581, 34636648), (664, 30307067), (1162, 17318324), (2324, 8659162), (4648, 4329581)]