20904492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14639}}^1$

素因数の和:14670

約数の個数: 48

約数和(自身を含む): 59028480

約数和(自身を除く): 38123988

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 14639, 29278, 43917, 58556, 87834, 102473, 175668, 204946, 248863, 307419, 409892, 497726, 614838, 746589, 995452, 1229676, 1493178, 1742041, 2986356, 3484082, 5226123, 6968164, 10452246, 20904492]

約数ペア:

[(1, 20904492), (2, 10452246), (3, 6968164), (4, 5226123), (6, 3484082), (7, 2986356), (12, 1742041), (14, 1493178), (17, 1229676), (21, 995452), (28, 746589), (34, 614838), (42, 497726), (51, 409892), (68, 307419), (84, 248863), (102, 204946), (119, 175668), (204, 102473), (238, 87834), (357, 58556), (476, 43917), (714, 29278), (1428, 14639)]