20005946120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{593}}^1\times {\mathrm{49613}}^1$

素因数の和:50234

約数の個数: 64

約数和(自身を含む): 47742559920

約数和(自身を除く): 27736613800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 593, 680, 1186, 2372, 2965, 4744, 5930, 10081, 11860, 20162, 23720, 40324, 49613, 50405, 80648, 99226, 100810, 198452, 201620, 248065, 396904, 403240, 496130, 843421, 992260, 1686842, 1984520, 3373684, 4217105, 6747368, 8434210, 16868420, 29420509, 33736840, 58841018, 117682036, 147102545, 235364072, 294205090, 500148653, 588410180, 1000297306, 1176820360, 2000594612, 2500743265, 4001189224, 5001486530, 10002973060, 20005946120]

約数ペア:

[(1, 20005946120), (2, 10002973060), (4, 5001486530), (5, 4001189224), (8, 2500743265), (10, 2000594612), (17, 1176820360), (20, 1000297306), (34, 588410180), (40, 500148653), (68, 294205090), (85, 235364072), (136, 147102545), (170, 117682036), (340, 58841018), (593, 33736840), (680, 29420509), (1186, 16868420), (2372, 8434210), (2965, 6747368), (4744, 4217105), (5930, 3373684), (10081, 1984520), (11860, 1686842), (20162, 992260), (23720, 843421), (40324, 496130), (49613, 403240), (50405, 396904), (80648, 248065), (99226, 201620), (100810, 198452)]