20185205104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{983}}^1\times {\mathrm{67547}}^1$

素因数の和:68557

約数の個数: 40

約数和(自身を含む): 41209683840

約数和(自身を除く): 21024478736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 983, 1966, 3932, 7864, 15728, 18677, 37354, 67547, 74708, 135094, 149416, 270188, 298832, 540376, 1080752, 1283393, 2566786, 5133572, 10267144, 20534288, 66398701, 132797402, 265594804, 531189608, 1062379216, 1261575319, 2523150638, 5046301276, 10092602552, 20185205104]

約数ペア:

[(1, 20185205104), (2, 10092602552), (4, 5046301276), (8, 2523150638), (16, 1261575319), (19, 1062379216), (38, 531189608), (76, 265594804), (152, 132797402), (304, 66398701), (983, 20534288), (1966, 10267144), (3932, 5133572), (7864, 2566786), (15728, 1283393), (18677, 1080752), (37354, 540376), (67547, 298832), (74708, 270188), (135094, 149416)]