20441330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3209}}^1$

素因数の和:3243

約数の個数: 48

約数和(自身を含む): 46108440

約数和(自身を除く): 25667110

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 3209, 6370, 6418, 16045, 22463, 32090, 41717, 44926, 83434, 112315, 157241, 208585, 224630, 292019, 314482, 417170, 584038, 786205, 1460095, 1572410, 2044133, 2920190, 4088266, 10220665, 20441330]

約数ペア:

[(1, 20441330), (2, 10220665), (5, 4088266), (7, 2920190), (10, 2044133), (13, 1572410), (14, 1460095), (26, 786205), (35, 584038), (49, 417170), (65, 314482), (70, 292019), (91, 224630), (98, 208585), (130, 157241), (182, 112315), (245, 83434), (455, 44926), (490, 41717), (637, 32090), (910, 22463), (1274, 16045), (3185, 6418), (3209, 6370)]