20731076968

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1931}}^1\times {\mathrm{4079}}^1$

素因数の和:6070

約数の個数: 64

約数和(自身を含む): 45403545600

約数和(自身を除く): 24672468632

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 1931, 2632, 3862, 4079, 7724, 8158, 13517, 15448, 16316, 27034, 28553, 32632, 54068, 57106, 90757, 108136, 114212, 181514, 191713, 228424, 363028, 383426, 635299, 726056, 766852, 1270598, 1341991, 1533704, 2541196, 2683982, 5082392, 5367964, 7876549, 10735928, 15753098, 31506196, 55135843, 63012392, 110271686, 220543372, 370197803, 441086744, 740395606, 1480791212, 2591384621, 2961582424, 5182769242, 10365538484, 20731076968]

約数ペア:

[(1, 20731076968), (2, 10365538484), (4, 5182769242), (7, 2961582424), (8, 2591384621), (14, 1480791212), (28, 740395606), (47, 441086744), (56, 370197803), (94, 220543372), (188, 110271686), (329, 63012392), (376, 55135843), (658, 31506196), (1316, 15753098), (1931, 10735928), (2632, 7876549), (3862, 5367964), (4079, 5082392), (7724, 2683982), (8158, 2541196), (13517, 1533704), (15448, 1341991), (16316, 1270598), (27034, 766852), (28553, 726056), (32632, 635299), (54068, 383426), (57106, 363028), (90757, 228424), (108136, 191713), (114212, 181514)]