20199077437

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1\times {\mathrm{4139}}^1$

素因数の和:5257

約数の個数: 32

約数和(自身を含む): 25626931200

約数和(自身を除く): 5427853763

約数列:

[1, 7, 11, 61, 77, 427, 671, 1039, 4139, 4697, 7273, 11429, 28973, 45529, 63379, 80003, 252479, 318703, 443653, 697169, 1767353, 2777269, 4300421, 4880183, 19440883, 30102947, 47304631, 262325681, 331132417, 1836279767, 2885582491, 20199077437]

約数ペア:

[(1, 20199077437), (7, 2885582491), (11, 1836279767), (61, 331132417), (77, 262325681), (427, 47304631), (671, 30102947), (1039, 19440883), (4139, 4880183), (4697, 4300421), (7273, 2777269), (11429, 1767353), (28973, 697169), (45529, 443653), (63379, 318703), (80003, 252479)]