20171209954

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{24659}}^1$

素因数の和:25183

約数の個数: 48

約数和(自身を含む): 37344512160

約数和(自身を除く): 17173302206

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 491, 833, 982, 1666, 3437, 6874, 8347, 16694, 24059, 24659, 48118, 49318, 58429, 116858, 172613, 345226, 409003, 419203, 818006, 838406, 1208291, 2416582, 2934421, 5868842, 12107569, 20540947, 24215138, 41081894, 84752983, 169505966, 205828673, 411657346, 593270881, 1186541762, 1440800711, 2881601422, 10085604977, 20171209954]

約数ペア:

[(1, 20171209954), (2, 10085604977), (7, 2881601422), (14, 1440800711), (17, 1186541762), (34, 593270881), (49, 411657346), (98, 205828673), (119, 169505966), (238, 84752983), (491, 41081894), (833, 24215138), (982, 20540947), (1666, 12107569), (3437, 5868842), (6874, 2934421), (8347, 2416582), (16694, 1208291), (24059, 838406), (24659, 818006), (48118, 419203), (49318, 409003), (58429, 345226), (116858, 172613)]