20996937284

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{9109}}^1$

素因数の和:9380

約数の個数: 48

約数和(自身を含む): 38182415040

約数和(自身を除く): 17185477756

約数列:

[1, 2, 4, 53, 83, 106, 131, 166, 212, 262, 332, 524, 4399, 6943, 8798, 9109, 10873, 13886, 17596, 18218, 21746, 27772, 36436, 43492, 482777, 576269, 756047, 965554, 1152538, 1193279, 1512094, 1931108, 2305076, 2386558, 3024188, 4773116, 40070491, 63243787, 80140982, 99042157, 126487574, 160281964, 198084314, 252975148, 396168628, 5249234321, 10498468642, 20996937284]

約数ペア:

[(1, 20996937284), (2, 10498468642), (4, 5249234321), (53, 396168628), (83, 252975148), (106, 198084314), (131, 160281964), (166, 126487574), (212, 99042157), (262, 80140982), (332, 63243787), (524, 40070491), (4399, 4773116), (6943, 3024188), (8798, 2386558), (9109, 2305076), (10873, 1931108), (13886, 1512094), (17596, 1193279), (18218, 1152538), (21746, 965554), (27772, 756047), (36436, 576269), (43492, 482777)]