20843287816

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{2111}}^1$

素因数の和:2319

約数の個数: 96

約数和(自身を含む): 43364851200

約数和(自身を除く): 22521563384

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 109, 134, 169, 218, 268, 338, 436, 536, 676, 871, 872, 1352, 1417, 1742, 2111, 2834, 3484, 4222, 5668, 6968, 7303, 8444, 11323, 11336, 14606, 16888, 18421, 22646, 27443, 29212, 36842, 45292, 54886, 58424, 73684, 90584, 94939, 109772, 141437, 147368, 189878, 219544, 230099, 282874, 356759, 379756, 460198, 565748, 713518, 759512, 920396, 1131496, 1234207, 1427036, 1838681, 1840792, 2468414, 2854072, 2991287, 3677362, 4936828, 5982574, 7354724, 9873656, 11965148, 14709448, 15416633, 23902853, 23930296, 30833266, 38886731, 47805706, 61666532, 77773462, 95611412, 123333064, 155546924, 191222824, 200416229, 311093848, 400832458, 801664916, 1603329832, 2605410977, 5210821954, 10421643908, 20843287816]

約数ペア:

[(1, 20843287816), (2, 10421643908), (4, 5210821954), (8, 2605410977), (13, 1603329832), (26, 801664916), (52, 400832458), (67, 311093848), (104, 200416229), (109, 191222824), (134, 155546924), (169, 123333064), (218, 95611412), (268, 77773462), (338, 61666532), (436, 47805706), (536, 38886731), (676, 30833266), (871, 23930296), (872, 23902853), (1352, 15416633), (1417, 14709448), (1742, 11965148), (2111, 9873656), (2834, 7354724), (3484, 5982574), (4222, 4936828), (5668, 3677362), (6968, 2991287), (7303, 2854072), (8444, 2468414), (11323, 1840792), (11336, 1838681), (14606, 1427036), (16888, 1234207), (18421, 1131496), (22646, 920396), (27443, 759512), (29212, 713518), (36842, 565748), (45292, 460198), (54886, 379756), (58424, 356759), (73684, 282874), (90584, 230099), (94939, 219544), (109772, 189878), (141437, 147368)]