20403979778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1\times {\mathrm{52609}}^1$

素因数の和:54762

約数の個数: 32

約数和(自身を含む): 37687278720

約数和(自身を除く): 17283298942

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 2131, 4262, 14917, 27703, 29834, 52609, 55406, 105218, 193921, 368263, 387842, 683917, 736526, 1367834, 4787419, 9574838, 112109779, 224219558, 784768453, 1457427127, 1569536906, 2914854254, 10201989889, 20403979778]

約数ペア:

[(1, 20403979778), (2, 10201989889), (7, 2914854254), (13, 1569536906), (14, 1457427127), (26, 784768453), (91, 224219558), (182, 112109779), (2131, 9574838), (4262, 4787419), (14917, 1367834), (27703, 736526), (29834, 683917), (52609, 387842), (55406, 368263), (105218, 193921)]