20627672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{823}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 41875680

約数和(自身を除く): 21248008

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 241, 482, 823, 964, 1646, 1928, 3133, 3292, 6266, 6584, 10699, 12532, 21398, 25064, 42796, 85592, 198343, 396686, 793372, 1586744, 2578459, 5156918, 10313836, 20627672]

約数ペア:

[(1, 20627672), (2, 10313836), (4, 5156918), (8, 2578459), (13, 1586744), (26, 793372), (52, 396686), (104, 198343), (241, 85592), (482, 42796), (823, 25064), (964, 21398), (1646, 12532), (1928, 10699), (3133, 6584), (3292, 6266)]