20199609365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{2731}}^1$

素因数の和:2934

約数の個数: 64

約数和(自身を含む): 28254562560

約数和(自身を除く): 8054953195

約数列:

[1, 5, 13, 19, 53, 65, 95, 113, 247, 265, 565, 689, 1007, 1235, 1469, 2147, 2731, 3445, 5035, 5989, 7345, 10735, 13091, 13655, 27911, 29945, 35503, 51889, 65455, 77857, 113791, 139555, 144743, 177515, 259445, 308603, 389285, 568955, 674557, 723715, 1479283, 1543015, 1881659, 2750117, 3372785, 4011839, 5863457, 7396415, 9408295, 13750585, 16355959, 20059195, 29317285, 35751521, 76224941, 81779795, 178757605, 212627467, 310763221, 381124705, 1063137335, 1553816105, 4039921873, 20199609365]

約数ペア:

[(1, 20199609365), (5, 4039921873), (13, 1553816105), (19, 1063137335), (53, 381124705), (65, 310763221), (95, 212627467), (113, 178757605), (247, 81779795), (265, 76224941), (565, 35751521), (689, 29317285), (1007, 20059195), (1235, 16355959), (1469, 13750585), (2147, 9408295), (2731, 7396415), (3445, 5863457), (5035, 4011839), (5989, 3372785), (7345, 2750117), (10735, 1881659), (13091, 1543015), (13655, 1479283), (27911, 723715), (29945, 674557), (35503, 568955), (51889, 389285), (65455, 308603), (77857, 259445), (113791, 177515), (139555, 144743)]