20154127552

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{122963}}^1$

素因数の和:123185

約数の個数: 56

約数和(自身を含む): 43288738416

約数和(自身を除く): 23134610864

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 197, 208, 394, 416, 788, 832, 1576, 2561, 3152, 5122, 6304, 10244, 12608, 20488, 40976, 81952, 122963, 163904, 245926, 491852, 983704, 1598519, 1967408, 3197038, 3934816, 6394076, 7869632, 12788152, 24223711, 25576304, 48447422, 51152608, 96894844, 102305216, 193789688, 314908243, 387579376, 629816486, 775158752, 1259632972, 1550317504, 2519265944, 5038531888, 10077063776, 20154127552]

約数ペア:

[(1, 20154127552), (2, 10077063776), (4, 5038531888), (8, 2519265944), (13, 1550317504), (16, 1259632972), (26, 775158752), (32, 629816486), (52, 387579376), (64, 314908243), (104, 193789688), (197, 102305216), (208, 96894844), (394, 51152608), (416, 48447422), (788, 25576304), (832, 24223711), (1576, 12788152), (2561, 7869632), (3152, 6394076), (5122, 3934816), (6304, 3197038), (10244, 1967408), (12608, 1598519), (20488, 983704), (40976, 491852), (81952, 245926), (122963, 163904)]