20894972

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6271}}^1$

素因数の和:6306

約数の個数: 36

約数和(自身を含む): 45045504

約数和(自身を除く): 24150532

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 6271, 12542, 25084, 43897, 87794, 106607, 175588, 213214, 307279, 426428, 614558, 746249, 1229116, 1492498, 2984996, 5223743, 10447486, 20894972]

約数ペア:

[(1, 20894972), (2, 10447486), (4, 5223743), (7, 2984996), (14, 1492498), (17, 1229116), (28, 746249), (34, 614558), (49, 426428), (68, 307279), (98, 213214), (119, 175588), (196, 106607), (238, 87794), (476, 43897), (833, 25084), (1666, 12542), (3332, 6271)]