20145844520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1\times {\mathrm{11597}}^1$

素因数の和:12062

約数の個数: 64

約数和(自身を含む): 45806996880

約数和(自身を除く): 25661152360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 317, 548, 634, 685, 1096, 1268, 1370, 1585, 2536, 2740, 3170, 5480, 6340, 11597, 12680, 23194, 43429, 46388, 57985, 86858, 92776, 115970, 173716, 217145, 231940, 347432, 434290, 463880, 868580, 1588789, 1737160, 3177578, 3676249, 6355156, 7352498, 7943945, 12710312, 14704996, 15887890, 18381245, 29409992, 31775780, 36762490, 63551560, 73524980, 147049960, 503646113, 1007292226, 2014584452, 2518230565, 4029168904, 5036461130, 10072922260, 20145844520]

約数ペア:

[(1, 20145844520), (2, 10072922260), (4, 5036461130), (5, 4029168904), (8, 2518230565), (10, 2014584452), (20, 1007292226), (40, 503646113), (137, 147049960), (274, 73524980), (317, 63551560), (548, 36762490), (634, 31775780), (685, 29409992), (1096, 18381245), (1268, 15887890), (1370, 14704996), (1585, 12710312), (2536, 7943945), (2740, 7352498), (3170, 6355156), (5480, 3676249), (6340, 3177578), (11597, 1737160), (12680, 1588789), (23194, 868580), (43429, 463880), (46388, 434290), (57985, 347432), (86858, 231940), (92776, 217145), (115970, 173716)]