20145942712

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{2671}}^1$

素因数の和:3033

約数の個数: 96

約数和(自身を含む): 44740823040

約数和(自身を除く): 24594880328

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 271, 284, 392, 497, 542, 568, 994, 1084, 1897, 1988, 2168, 2671, 3479, 3794, 3976, 5342, 6958, 7588, 10684, 13279, 13916, 15176, 18697, 19241, 21368, 26558, 27832, 37394, 38482, 53116, 74788, 76964, 106232, 130879, 134687, 149576, 153928, 189641, 261758, 269374, 379282, 523516, 538748, 723841, 758564, 942809, 1047032, 1077496, 1327487, 1447682, 1517128, 1885618, 2654974, 2895364, 3771236, 5066887, 5309948, 5790728, 7542472, 9292409, 10133774, 10619896, 18584818, 20267548, 35468209, 37169636, 40535096, 51392711, 70936418, 74339272, 102785422, 141872836, 205570844, 283745672, 359748977, 411141688, 719497954, 1438995908, 2518242839, 2877991816, 5036485678, 10072971356, 20145942712]

約数ペア:

[(1, 20145942712), (2, 10072971356), (4, 5036485678), (7, 2877991816), (8, 2518242839), (14, 1438995908), (28, 719497954), (49, 411141688), (56, 359748977), (71, 283745672), (98, 205570844), (142, 141872836), (196, 102785422), (271, 74339272), (284, 70936418), (392, 51392711), (497, 40535096), (542, 37169636), (568, 35468209), (994, 20267548), (1084, 18584818), (1897, 10619896), (1988, 10133774), (2168, 9292409), (2671, 7542472), (3479, 5790728), (3794, 5309948), (3976, 5066887), (5342, 3771236), (6958, 2895364), (7588, 2654974), (10684, 1885618), (13279, 1517128), (13916, 1447682), (15176, 1327487), (18697, 1077496), (19241, 1047032), (21368, 942809), (26558, 758564), (27832, 723841), (37394, 538748), (38482, 523516), (53116, 379282), (74788, 269374), (76964, 261758), (106232, 189641), (130879, 153928), (134687, 149576)]