20829298

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 37209600

約数和(自身を除く): 16380302

約数列:

[1, 2, 7, 14, 37, 74, 79, 158, 259, 509, 518, 553, 1018, 1106, 2923, 3563, 5846, 7126, 18833, 20461, 37666, 40211, 40922, 80422, 131831, 263662, 281477, 562954, 1487807, 2975614, 10414649, 20829298]

約数ペア:

[(1, 20829298), (2, 10414649), (7, 2975614), (14, 1487807), (37, 562954), (74, 281477), (79, 263662), (158, 131831), (259, 80422), (509, 40922), (518, 40211), (553, 37666), (1018, 20461), (1106, 18833), (2923, 7126), (3563, 5846)]