20885436

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4057}}^1$

素因数の和:4091

約数の個数: 72

約数和(自身を含む): 62038704

約数和(自身を除く): 41153268

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 4057, 5148, 8114, 12171, 16228, 24342, 36513, 44627, 48684, 52741, 73026, 89254, 105482, 133881, 146052, 158223, 178508, 210964, 267762, 316446, 401643, 474669, 535524, 580151, 632892, 803286, 949338, 1160302, 1606572, 1740453, 1898676, 2320604, 3480906, 5221359, 6961812, 10442718, 20885436]

約数ペア:

[(1, 20885436), (2, 10442718), (3, 6961812), (4, 5221359), (6, 3480906), (9, 2320604), (11, 1898676), (12, 1740453), (13, 1606572), (18, 1160302), (22, 949338), (26, 803286), (33, 632892), (36, 580151), (39, 535524), (44, 474669), (52, 401643), (66, 316446), (78, 267762), (99, 210964), (117, 178508), (132, 158223), (143, 146052), (156, 133881), (198, 105482), (234, 89254), (286, 73026), (396, 52741), (429, 48684), (468, 44627), (572, 36513), (858, 24342), (1287, 16228), (1716, 12171), (2574, 8114), (4057, 5148)]