20697684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3119}}^1$

素因数の和:3212

約数の個数: 48

約数和(自身を含む): 55910400

約数和(自身を除く): 35212716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3119, 3318, 6238, 6636, 9357, 12476, 18714, 21833, 37428, 43666, 65499, 87332, 130998, 246401, 261996, 492802, 739203, 985604, 1478406, 1724807, 2956812, 3449614, 5174421, 6899228, 10348842, 20697684]

約数ペア:

[(1, 20697684), (2, 10348842), (3, 6899228), (4, 5174421), (6, 3449614), (7, 2956812), (12, 1724807), (14, 1478406), (21, 985604), (28, 739203), (42, 492802), (79, 261996), (84, 246401), (158, 130998), (237, 87332), (316, 65499), (474, 43666), (553, 37428), (948, 21833), (1106, 18714), (1659, 12476), (2212, 9357), (3119, 6636), (3318, 6238)]