20130944912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{887921}}^1$

素因数の和:888051

約数の個数: 40

約数和(自身を含む): 42389396280

約数和(自身を除く): 22258451368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 5668, 11336, 22672, 887921, 1775842, 3551684, 7103368, 11542973, 14206736, 23085946, 46171892, 92343784, 96783389, 184687568, 193566778, 387133556, 774267112, 1258184057, 1548534224, 2516368114, 5032736228, 10065472456, 20130944912]

約数ペア:

[(1, 20130944912), (2, 10065472456), (4, 5032736228), (8, 2516368114), (13, 1548534224), (16, 1258184057), (26, 774267112), (52, 387133556), (104, 193566778), (109, 184687568), (208, 96783389), (218, 92343784), (436, 46171892), (872, 23085946), (1417, 14206736), (1744, 11542973), (2834, 7103368), (5668, 3551684), (11336, 1775842), (22672, 887921)]