20147433085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 27760561920

約数和(自身を除く): 7613128835

約数列:

[1, 5, 13, 19, 65, 95, 181, 193, 247, 467, 905, 965, 1235, 2335, 2353, 2509, 3439, 3667, 6071, 8873, 11765, 12545, 17195, 18335, 30355, 34933, 44365, 44707, 47671, 84527, 90131, 115349, 174665, 223535, 238355, 422635, 450655, 454129, 576745, 663727, 1098851, 1171703, 1606013, 1712489, 2270645, 3318635, 5494255, 5858515, 8030065, 8562445, 8628451, 16313711, 20878169, 22262357, 43142255, 81568555, 104390845, 111311785, 212078243, 309960509, 1060391215, 1549802545, 4029486617, 20147433085]

約数ペア:

[(1, 20147433085), (5, 4029486617), (13, 1549802545), (19, 1060391215), (65, 309960509), (95, 212078243), (181, 111311785), (193, 104390845), (247, 81568555), (467, 43142255), (905, 22262357), (965, 20878169), (1235, 16313711), (2335, 8628451), (2353, 8562445), (2509, 8030065), (3439, 5858515), (3667, 5494255), (6071, 3318635), (8873, 2270645), (11765, 1712489), (12545, 1606013), (17195, 1171703), (18335, 1098851), (30355, 663727), (34933, 576745), (44365, 454129), (44707, 450655), (47671, 422635), (84527, 238355), (90131, 223535), (115349, 174665)]