20513658

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4639}}^1$

素因数の和:4722

約数の個数: 32

約数和(自身を含む): 45434880

約数和(自身を除く): 24921222

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 67, 134, 201, 402, 737, 1474, 2211, 4422, 4639, 9278, 13917, 27834, 51029, 102058, 153087, 306174, 310813, 621626, 932439, 1864878, 3418943, 6837886, 10256829, 20513658]

約数ペア:

[(1, 20513658), (2, 10256829), (3, 6837886), (6, 3418943), (11, 1864878), (22, 932439), (33, 621626), (66, 310813), (67, 306174), (134, 153087), (201, 102058), (402, 51029), (737, 27834), (1474, 13917), (2211, 9278), (4422, 4639)]