20157670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8161}}^1$

素因数の和:8200

約数の個数: 32

約数和(自身を含む): 41136480

約数和(自身を除く): 20978810

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8161, 16322, 40805, 81610, 106093, 155059, 212186, 310118, 530465, 775295, 1060930, 1550590, 2015767, 4031534, 10078835, 20157670]

約数ペア:

[(1, 20157670), (2, 10078835), (5, 4031534), (10, 2015767), (13, 1550590), (19, 1060930), (26, 775295), (38, 530465), (65, 310118), (95, 212186), (130, 155059), (190, 106093), (247, 81610), (494, 40805), (1235, 16322), (2470, 8161)]