20165270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{503}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 18300010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 211, 422, 503, 1006, 1055, 2110, 2515, 4009, 5030, 8018, 9557, 19114, 20045, 40090, 47785, 95570, 106133, 212266, 530665, 1061330, 2016527, 4033054, 10082635, 20165270]

約数ペア:

[(1, 20165270), (2, 10082635), (5, 4033054), (10, 2016527), (19, 1061330), (38, 530665), (95, 212266), (190, 106133), (211, 95570), (422, 47785), (503, 40090), (1006, 20045), (1055, 19114), (2110, 9557), (2515, 8018), (4009, 5030)]