20754690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 54933120

約数和(自身を除く): 34178430

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 109, 110, 165, 218, 327, 330, 545, 577, 654, 1090, 1154, 1199, 1635, 1731, 2398, 2885, 3270, 3462, 3597, 5770, 5995, 6347, 7194, 8655, 11990, 12694, 17310, 17985, 19041, 31735, 35970, 38082, 62893, 63470, 95205, 125786, 188679, 190410, 314465, 377358, 628930, 691823, 943395, 1383646, 1886790, 2075469, 3459115, 4150938, 6918230, 10377345, 20754690]

約数ペア:

[(1, 20754690), (2, 10377345), (3, 6918230), (5, 4150938), (6, 3459115), (10, 2075469), (11, 1886790), (15, 1383646), (22, 943395), (30, 691823), (33, 628930), (55, 377358), (66, 314465), (109, 190410), (110, 188679), (165, 125786), (218, 95205), (327, 63470), (330, 62893), (545, 38082), (577, 35970), (654, 31735), (1090, 19041), (1154, 17985), (1199, 17310), (1635, 12694), (1731, 11990), (2398, 8655), (2885, 7194), (3270, 6347), (3462, 5995), (3597, 5770)]