20167609540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{95881}}^1$

素因数の和:96712

約数の個数: 48

約数和(自身を含む): 45666678960

約数和(自身を除く): 25499069420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 809, 1618, 3236, 4045, 8090, 10517, 16180, 21034, 42068, 52585, 95881, 105170, 191762, 210340, 383524, 479405, 958810, 1246453, 1917620, 2492906, 4985812, 6232265, 12464530, 24929060, 77567729, 155135458, 310270916, 387838645, 775677290, 1008380477, 1551354580, 2016760954, 4033521908, 5041902385, 10083804770, 20167609540]

約数ペア:

[(1, 20167609540), (2, 10083804770), (4, 5041902385), (5, 4033521908), (10, 2016760954), (13, 1551354580), (20, 1008380477), (26, 775677290), (52, 387838645), (65, 310270916), (130, 155135458), (260, 77567729), (809, 24929060), (1618, 12464530), (3236, 6232265), (4045, 4985812), (8090, 2492906), (10517, 1917620), (16180, 1246453), (21034, 958810), (42068, 479405), (52585, 383524), (95881, 210340), (105170, 191762)]