20798344

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3121}}^1$

素因数の和:3158

約数の個数: 48

約数和(自身を含む): 48047580

約数和(自身を除く): 27249236

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3121, 3332, 6242, 6664, 12484, 21847, 24968, 43694, 53057, 87388, 106114, 152929, 174776, 212228, 305858, 371399, 424456, 611716, 742798, 1223432, 1485596, 2599793, 2971192, 5199586, 10399172, 20798344]

約数ペア:

[(1, 20798344), (2, 10399172), (4, 5199586), (7, 2971192), (8, 2599793), (14, 1485596), (17, 1223432), (28, 742798), (34, 611716), (49, 424456), (56, 371399), (68, 305858), (98, 212228), (119, 174776), (136, 152929), (196, 106114), (238, 87388), (392, 53057), (476, 43694), (833, 24968), (952, 21847), (1666, 12484), (3121, 6664), (3332, 6242)]