20155170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13711}}^1$

素因数の和:13735

約数の個数: 48

約数和(自身を含む): 56274048

約数和(自身を除く): 36118878

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 13711, 27422, 41133, 68555, 82266, 95977, 137110, 191954, 205665, 287931, 411330, 479885, 575862, 671839, 959770, 1343678, 1439655, 2015517, 2879310, 3359195, 4031034, 6718390, 10077585, 20155170]

約数ペア:

[(1, 20155170), (2, 10077585), (3, 6718390), (5, 4031034), (6, 3359195), (7, 2879310), (10, 2015517), (14, 1439655), (15, 1343678), (21, 959770), (30, 671839), (35, 575862), (42, 479885), (49, 411330), (70, 287931), (98, 205665), (105, 191954), (147, 137110), (210, 95977), (245, 82266), (294, 68555), (490, 41133), (735, 27422), (1470, 13711)]