20960838

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{367}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 27261882

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 167, 171, 334, 342, 367, 501, 734, 1002, 1101, 1503, 2202, 3006, 3173, 3303, 6346, 6606, 6973, 9519, 13946, 19038, 20919, 28557, 41838, 57114, 61289, 62757, 122578, 125514, 183867, 367734, 551601, 1103202, 1164491, 2328982, 3493473, 6986946, 10480419, 20960838]

約数ペア:

[(1, 20960838), (2, 10480419), (3, 6986946), (6, 3493473), (9, 2328982), (18, 1164491), (19, 1103202), (38, 551601), (57, 367734), (114, 183867), (167, 125514), (171, 122578), (334, 62757), (342, 61289), (367, 57114), (501, 41838), (734, 28557), (1002, 20919), (1101, 19038), (1503, 13946), (2202, 9519), (3006, 6973), (3173, 6606), (3303, 6346)]