20174938798

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1\times {\mathrm{509}}^1$

素因数の和:1105

約数の個数: 64

約数和(自身を含む): 35779968000

約数和(自身を除く): 15605029202

約数列:

[1, 2, 7, 14, 41, 82, 199, 287, 347, 398, 509, 574, 694, 1018, 1393, 2429, 2786, 3563, 4858, 7126, 8159, 14227, 16318, 20869, 28454, 41738, 57113, 69053, 99589, 101291, 114226, 138106, 146083, 176623, 199178, 202582, 292166, 353246, 483371, 709037, 966742, 1236361, 1418074, 2472722, 2831173, 4152931, 5662346, 7241543, 8305862, 14483086, 19818211, 29070517, 35147977, 39636422, 50690801, 58141034, 70295954, 101381602, 246035839, 492071678, 1441067057, 2882134114, 10087469399, 20174938798]

約数ペア:

[(1, 20174938798), (2, 10087469399), (7, 2882134114), (14, 1441067057), (41, 492071678), (82, 246035839), (199, 101381602), (287, 70295954), (347, 58141034), (398, 50690801), (509, 39636422), (574, 35147977), (694, 29070517), (1018, 19818211), (1393, 14483086), (2429, 8305862), (2786, 7241543), (3563, 5662346), (4858, 4152931), (7126, 2831173), (8159, 2472722), (14227, 1418074), (16318, 1236361), (20869, 966742), (28454, 709037), (41738, 483371), (57113, 353246), (69053, 292166), (99589, 202582), (101291, 199178), (114226, 176623), (138106, 146083)]