20197907534

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1\times {\mathrm{293}}^1$

素因数の和:849

約数の個数: 64

約数和(自身を含む): 35396960256

約数和(自身を除く): 15199052722

約数列:

[1, 2, 7, 14, 127, 137, 254, 274, 283, 293, 566, 586, 889, 959, 1778, 1918, 1981, 2051, 3962, 4102, 17399, 34798, 35941, 37211, 38771, 40141, 71882, 74422, 77542, 80282, 82919, 121793, 165838, 243586, 251587, 260477, 271397, 280987, 503174, 520954, 542794, 561974, 580433, 1160866, 4923917, 5097907, 9847834, 10195814, 10530713, 11359903, 21061426, 22719806, 34467419, 35685349, 68934838, 71370698, 73714991, 79519321, 147429982, 159038642, 1442707681, 2885415362, 10098953767, 20197907534]

約数ペア:

[(1, 20197907534), (2, 10098953767), (7, 2885415362), (14, 1442707681), (127, 159038642), (137, 147429982), (254, 79519321), (274, 73714991), (283, 71370698), (293, 68934838), (566, 35685349), (586, 34467419), (889, 22719806), (959, 21061426), (1778, 11359903), (1918, 10530713), (1981, 10195814), (2051, 9847834), (3962, 5097907), (4102, 4923917), (17399, 1160866), (34798, 580433), (35941, 561974), (37211, 542794), (38771, 520954), (40141, 503174), (71882, 280987), (74422, 271397), (77542, 260477), (80282, 251587), (82919, 243586), (121793, 165838)]