20196456892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^2\times {\mathrm{191}}^1$

素因数の和:356

約数の個数: 108

約数和(自身を含む): 39887842176

約数和(自身を除く): 19691385284

約数列:

[1, 2, 4, 17, 29, 34, 43, 58, 68, 86, 116, 172, 191, 382, 493, 731, 764, 841, 986, 1247, 1462, 1682, 1849, 1972, 2494, 2924, 3247, 3364, 3698, 4988, 5539, 6494, 7396, 8213, 11078, 12988, 14297, 16426, 21199, 22156, 28594, 31433, 32852, 36163, 42398, 53621, 57188, 62866, 72326, 84796, 94163, 107242, 125732, 139621, 144652, 160631, 188326, 214484, 238177, 279242, 321262, 353159, 376652, 476354, 558484, 614771, 642524, 706318, 911557, 952708, 1229542, 1412636, 1555009, 1823114, 2459084, 2730727, 3110018, 3646228, 4049009, 5461454, 6003703, 6220036, 6907133, 8098018, 10241611, 10922908, 12007406, 13814266, 16196036, 20483222, 24014812, 26435153, 27628532, 40966444, 52870306, 105740612, 117421261, 174107387, 234842522, 297006719, 348214774, 469685044, 594013438, 696429548, 1188026876, 5049114223, 10098228446, 20196456892]

約数ペア:

[(1, 20196456892), (2, 10098228446), (4, 5049114223), (17, 1188026876), (29, 696429548), (34, 594013438), (43, 469685044), (58, 348214774), (68, 297006719), (86, 234842522), (116, 174107387), (172, 117421261), (191, 105740612), (382, 52870306), (493, 40966444), (731, 27628532), (764, 26435153), (841, 24014812), (986, 20483222), (1247, 16196036), (1462, 13814266), (1682, 12007406), (1849, 10922908), (1972, 10241611), (2494, 8098018), (2924, 6907133), (3247, 6220036), (3364, 6003703), (3698, 5461454), (4988, 4049009), (5539, 3646228), (6494, 3110018), (7396, 2730727), (8213, 2459084), (11078, 1823114), (12988, 1555009), (14297, 1412636), (16426, 1229542), (21199, 952708), (22156, 911557), (28594, 706318), (31433, 642524), (32852, 614771), (36163, 558484), (42398, 476354), (53621, 376652), (57188, 353159), (62866, 321262), (72326, 279242), (84796, 238177), (94163, 214484), (107242, 188326), (125732, 160631), (139621, 144652)]