20025838

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 35411904

約数和(自身を除く): 15386066

約数列:

[1, 2, 7, 14, 53, 106, 137, 197, 274, 371, 394, 742, 959, 1379, 1918, 2758, 7261, 10441, 14522, 20882, 26989, 50827, 53978, 73087, 101654, 146174, 188923, 377846, 1430417, 2860834, 10012919, 20025838]

約数ペア:

[(1, 20025838), (2, 10012919), (7, 2860834), (14, 1430417), (53, 377846), (106, 188923), (137, 146174), (197, 101654), (274, 73087), (371, 53978), (394, 50827), (742, 26989), (959, 20882), (1379, 14522), (1918, 10441), (2758, 7261)]