20921325936

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{2687}}^1\times {\mathrm{23173}}^1$

素因数の和:25878

約数の個数: 80

約数和(自身を含む): 61793378304

約数和(自身を除く): 40872052368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 2687, 5374, 8061, 10748, 16122, 18809, 21496, 23173, 32244, 37618, 42992, 46346, 56427, 64488, 69519, 75236, 92692, 112854, 128976, 139038, 150472, 162211, 185384, 225708, 278076, 300944, 324422, 370768, 451416, 486633, 556152, 648844, 902832, 973266, 1112304, 1297688, 1946532, 2595376, 3893064, 7786128, 62265851, 124531702, 186797553, 249063404, 373595106, 435860957, 498126808, 747190212, 871721914, 996253616, 1307582871, 1494380424, 1743443828, 2615165742, 2988760848, 3486887656, 5230331484, 6973775312, 10460662968, 20921325936]

約数ペア:

[(1, 20921325936), (2, 10460662968), (3, 6973775312), (4, 5230331484), (6, 3486887656), (7, 2988760848), (8, 2615165742), (12, 1743443828), (14, 1494380424), (16, 1307582871), (21, 996253616), (24, 871721914), (28, 747190212), (42, 498126808), (48, 435860957), (56, 373595106), (84, 249063404), (112, 186797553), (168, 124531702), (336, 62265851), (2687, 7786128), (5374, 3893064), (8061, 2595376), (10748, 1946532), (16122, 1297688), (18809, 1112304), (21496, 973266), (23173, 902832), (32244, 648844), (37618, 556152), (42992, 486633), (46346, 451416), (56427, 370768), (64488, 324422), (69519, 300944), (75236, 278076), (92692, 225708), (112854, 185384), (128976, 162211), (139038, 150472)]