20552680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{27043}}^1$

素因数の和:27073

約数の個数: 32

約数和(自身を含む): 48679200

約数和(自身を除く): 28126520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 27043, 54086, 108172, 135215, 216344, 270430, 513817, 540860, 1027634, 1081720, 2055268, 2569085, 4110536, 5138170, 10276340, 20552680]

約数ペア:

[(1, 20552680), (2, 10276340), (4, 5138170), (5, 4110536), (8, 2569085), (10, 2055268), (19, 1081720), (20, 1027634), (38, 540860), (40, 513817), (76, 270430), (95, 216344), (152, 135215), (190, 108172), (380, 54086), (760, 27043)]