20039266936

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{51287}}^1$

素因数の和:51353

約数の個数: 72

約数和(自身を含む): 43221166920

約数和(自身を除く): 23181899984

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 289, 338, 442, 578, 676, 884, 1156, 1352, 1768, 2312, 2873, 3757, 5746, 7514, 11492, 15028, 22984, 30056, 48841, 51287, 97682, 102574, 195364, 205148, 390728, 410296, 666731, 871879, 1333462, 1743758, 2666924, 3487516, 5333848, 6975032, 8667503, 11334427, 14821943, 17335006, 22668854, 29643886, 34670012, 45337708, 59287772, 69340024, 90675416, 118575544, 147347551, 192685259, 294695102, 385370518, 589390204, 770741036, 1178780408, 1541482072, 2504908367, 5009816734, 10019633468, 20039266936]

約数ペア:

[(1, 20039266936), (2, 10019633468), (4, 5009816734), (8, 2504908367), (13, 1541482072), (17, 1178780408), (26, 770741036), (34, 589390204), (52, 385370518), (68, 294695102), (104, 192685259), (136, 147347551), (169, 118575544), (221, 90675416), (289, 69340024), (338, 59287772), (442, 45337708), (578, 34670012), (676, 29643886), (884, 22668854), (1156, 17335006), (1352, 14821943), (1768, 11334427), (2312, 8667503), (2873, 6975032), (3757, 5333848), (5746, 3487516), (7514, 2666924), (11492, 1743758), (15028, 1333462), (22984, 871879), (30056, 666731), (48841, 410296), (51287, 390728), (97682, 205148), (102574, 195364)]