20495349837

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{2143}}^1$

素因数の和:2455

約数の個数: 64

約数和(自身を含む): 32465305600

約数和(自身を除く): 11969955763

約数列:

[1, 3, 9, 19, 27, 57, 103, 171, 181, 309, 513, 543, 927, 1629, 1957, 2143, 2781, 3439, 4887, 5871, 6429, 10317, 17613, 18643, 19287, 30951, 40717, 52839, 55929, 57861, 92853, 122151, 167787, 220729, 354217, 366453, 387883, 503361, 662187, 1062651, 1099359, 1163649, 1986561, 3187953, 3490947, 4193851, 5959683, 7369777, 9563859, 10472841, 12581553, 22109331, 37744659, 39951949, 66327993, 113233977, 119855847, 198983979, 359567541, 759087031, 1078702623, 2277261093, 6831783279, 20495349837]

約数ペア:

[(1, 20495349837), (3, 6831783279), (9, 2277261093), (19, 1078702623), (27, 759087031), (57, 359567541), (103, 198983979), (171, 119855847), (181, 113233977), (309, 66327993), (513, 39951949), (543, 37744659), (927, 22109331), (1629, 12581553), (1957, 10472841), (2143, 9563859), (2781, 7369777), (3439, 5959683), (4887, 4193851), (5871, 3490947), (6429, 3187953), (10317, 1986561), (17613, 1163649), (18643, 1099359), (19287, 1062651), (30951, 662187), (40717, 503361), (52839, 387883), (55929, 366453), (57861, 354217), (92853, 220729), (122151, 167787)]