20089879195

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^2$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 25725885120

約数和(自身を除く): 5636005925

約数列:

[1, 5, 29, 71, 101, 139, 145, 355, 505, 695, 2059, 2929, 4031, 7171, 9869, 10295, 14039, 14645, 19321, 20155, 35855, 49345, 70195, 96605, 207959, 286201, 407131, 560309, 996769, 1039795, 1371791, 1431005, 1951421, 2035655, 2801545, 4983845, 6858955, 9757105, 28906301, 39781939, 56591209, 138550891, 144531505, 198909695, 282956045, 692754455, 4017975839, 20089879195]

約数ペア:

[(1, 20089879195), (5, 4017975839), (29, 692754455), (71, 282956045), (101, 198909695), (139, 144531505), (145, 138550891), (355, 56591209), (505, 39781939), (695, 28906301), (2059, 9757105), (2929, 6858955), (4031, 4983845), (7171, 2801545), (9869, 2035655), (10295, 1951421), (14039, 1431005), (14645, 1371791), (19321, 1039795), (20155, 996769), (35855, 560309), (49345, 407131), (70195, 286201), (96605, 207959)]