20172106908

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{2081}}^1$

素因数の和:2492

約数の個数: 144

約数和(自身を含む): 55328966784

約数和(自身を除く): 35156859876

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 47, 51, 68, 94, 102, 141, 153, 188, 204, 282, 306, 337, 423, 564, 612, 674, 799, 846, 1011, 1348, 1598, 1692, 2022, 2081, 2397, 3033, 3196, 4044, 4162, 4794, 5729, 6066, 6243, 7191, 8324, 9588, 11458, 12132, 12486, 14382, 15839, 17187, 18729, 22916, 24972, 28764, 31678, 34374, 35377, 37458, 47517, 51561, 63356, 68748, 70754, 74916, 95034, 97807, 103122, 106131, 141508, 142551, 190068, 195614, 206244, 212262, 269263, 285102, 293421, 318393, 391228, 424524, 538526, 570204, 586842, 636786, 701297, 807789, 880263, 1077052, 1173684, 1273572, 1402594, 1615578, 1662719, 1760526, 2103891, 2423367, 2805188, 3231156, 3325438, 3521052, 4207782, 4846734, 4988157, 6311673, 6650876, 8415564, 9693468, 9976314, 11922049, 12623346, 14964471, 19952628, 23844098, 25246692, 29928942, 32960959, 35766147, 47688196, 59857884, 65921918, 71532294, 98882877, 107298441, 131843836, 143064588, 197765754, 214596882, 296648631, 395531508, 429193764, 560336303, 593297262, 1120672606, 1186594524, 1681008909, 2241345212, 3362017818, 5043026727, 6724035636, 10086053454, 20172106908]

約数ペア:

[(1, 20172106908), (2, 10086053454), (3, 6724035636), (4, 5043026727), (6, 3362017818), (9, 2241345212), (12, 1681008909), (17, 1186594524), (18, 1120672606), (34, 593297262), (36, 560336303), (47, 429193764), (51, 395531508), (68, 296648631), (94, 214596882), (102, 197765754), (141, 143064588), (153, 131843836), (188, 107298441), (204, 98882877), (282, 71532294), (306, 65921918), (337, 59857884), (423, 47688196), (564, 35766147), (612, 32960959), (674, 29928942), (799, 25246692), (846, 23844098), (1011, 19952628), (1348, 14964471), (1598, 12623346), (1692, 11922049), (2022, 9976314), (2081, 9693468), (2397, 8415564), (3033, 6650876), (3196, 6311673), (4044, 4988157), (4162, 4846734), (4794, 4207782), (5729, 3521052), (6066, 3325438), (6243, 3231156), (7191, 2805188), (8324, 2423367), (9588, 2103891), (11458, 1760526), (12132, 1662719), (12486, 1615578), (14382, 1402594), (15839, 1273572), (17187, 1173684), (18729, 1077052), (22916, 880263), (24972, 807789), (28764, 701297), (31678, 636786), (34374, 586842), (35377, 570204), (37458, 538526), (47517, 424524), (51561, 391228), (63356, 318393), (68748, 293421), (70754, 285102), (74916, 269263), (95034, 212262), (97807, 206244), (103122, 195614), (106131, 190068), (141508, 142551)]