20197802325

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{139753}}^1$

素因数の和:139854

約数の個数: 48

約数和(自身を含む): 34936263936

約数和(自身を除く): 14738461611

約数列:

[1, 3, 5, 15, 25, 41, 47, 75, 123, 141, 205, 235, 615, 705, 1025, 1175, 1927, 3075, 3525, 5781, 9635, 28905, 48175, 139753, 144525, 419259, 698765, 2096295, 3493825, 5729873, 6568391, 10481475, 17189619, 19705173, 28649365, 32841955, 85948095, 98525865, 143246825, 164209775, 269304031, 429740475, 492629325, 807912093, 1346520155, 4039560465, 6732600775, 20197802325]

約数ペア:

[(1, 20197802325), (3, 6732600775), (5, 4039560465), (15, 1346520155), (25, 807912093), (41, 492629325), (47, 429740475), (75, 269304031), (123, 164209775), (141, 143246825), (205, 98525865), (235, 85948095), (615, 32841955), (705, 28649365), (1025, 19705173), (1175, 17189619), (1927, 10481475), (3075, 6568391), (3525, 5729873), (5781, 3493825), (9635, 2096295), (28905, 698765), (48175, 419259), (139753, 144525)]