20968430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4219}}^1$

素因数の和:4304

約数の個数: 32

約数和(自身を含む): 43752960

約数和(自身を除く): 22784530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4219, 4970, 8438, 21095, 29533, 42190, 59066, 147665, 295330, 299549, 599098, 1497745, 2096843, 2995490, 4193686, 10484215, 20968430]

約数ペア:

[(1, 20968430), (2, 10484215), (5, 4193686), (7, 2995490), (10, 2096843), (14, 1497745), (35, 599098), (70, 299549), (71, 295330), (142, 147665), (355, 59066), (497, 42190), (710, 29533), (994, 21095), (2485, 8438), (4219, 4970)]