20166851005

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2389}}^1$

素因数の和:2594

約数の個数: 64

約数和(自身を含む): 29074636800

約数和(自身を除く): 8907785795

約数列:

[1, 5, 7, 35, 43, 71, 79, 215, 301, 355, 395, 497, 553, 1505, 2389, 2485, 2765, 3053, 3397, 5609, 11945, 15265, 16723, 16985, 21371, 23779, 28045, 39263, 83615, 102727, 106855, 118895, 169619, 188731, 196315, 241187, 513635, 719089, 848095, 943655, 1187333, 1205935, 1321117, 1688309, 3595445, 5936665, 6605585, 7293617, 8115433, 8441545, 13399901, 36468085, 40577165, 51055319, 56808031, 66999505, 93799307, 255276595, 284040155, 468996535, 576195743, 2880978715, 4033370201, 20166851005]

約数ペア:

[(1, 20166851005), (5, 4033370201), (7, 2880978715), (35, 576195743), (43, 468996535), (71, 284040155), (79, 255276595), (215, 93799307), (301, 66999505), (355, 56808031), (395, 51055319), (497, 40577165), (553, 36468085), (1505, 13399901), (2389, 8441545), (2485, 8115433), (2765, 7293617), (3053, 6605585), (3397, 5936665), (5609, 3595445), (11945, 1688309), (15265, 1321117), (16723, 1205935), (16985, 1187333), (21371, 943655), (23779, 848095), (28045, 719089), (39263, 513635), (83615, 241187), (102727, 196315), (106855, 188731), (118895, 169619)]