16980068

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2113}}^1$

素因数の和:2172

約数の個数: 36

約数和(自身を含む): 35426412

約数和(自身を除く): 18446344

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 2113, 4018, 4226, 8036, 8452, 14791, 29582, 59164, 86633, 103537, 173266, 207074, 346532, 414148, 606431, 1212862, 2425724, 4245017, 8490034, 16980068]

約数ペア:

[(1, 16980068), (2, 8490034), (4, 4245017), (7, 2425724), (14, 1212862), (28, 606431), (41, 414148), (49, 346532), (82, 207074), (98, 173266), (164, 103537), (196, 86633), (287, 59164), (574, 29582), (1148, 14791), (2009, 8452), (2113, 8036), (4018, 4226)]