20239326

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 45576960

約数和(自身を除く): 25337634

約数列:

[1, 2, 3, 6, 9, 18, 43, 79, 86, 129, 158, 237, 258, 331, 387, 474, 662, 711, 774, 993, 1422, 1986, 2979, 3397, 5958, 6794, 10191, 14233, 20382, 26149, 28466, 30573, 42699, 52298, 61146, 78447, 85398, 128097, 156894, 235341, 256194, 470682, 1124407, 2248814, 3373221, 6746442, 10119663, 20239326]

約数ペア:

[(1, 20239326), (2, 10119663), (3, 6746442), (6, 3373221), (9, 2248814), (18, 1124407), (43, 470682), (79, 256194), (86, 235341), (129, 156894), (158, 128097), (237, 85398), (258, 78447), (331, 61146), (387, 52298), (474, 42699), (662, 30573), (711, 28466), (774, 26149), (993, 20382), (1422, 14233), (1986, 10191), (2979, 6794), (3397, 5958)]