20786678458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3187}}^1\times {\mathrm{35837}}^1$

素因数の和:39046

約数の個数: 32

約数和(自身を含む): 38388518784

約数和(自身を除く): 17601840326

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 3187, 6374, 22309, 35837, 41431, 44618, 71674, 82862, 250859, 290017, 465881, 501718, 580034, 931762, 3261167, 6522334, 114212519, 228425038, 799487633, 1484762747, 1598975266, 2969525494, 10393339229, 20786678458]

約数ペア:

[(1, 20786678458), (2, 10393339229), (7, 2969525494), (13, 1598975266), (14, 1484762747), (26, 799487633), (91, 228425038), (182, 114212519), (3187, 6522334), (6374, 3261167), (22309, 931762), (35837, 580034), (41431, 501718), (44618, 465881), (71674, 290017), (82862, 250859)]