20512693122016

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{5209}}^1\times {\mathrm{1685759}}^1$

素因数の和:1691051

約数の個数: 48

約数和(自身を含む): 40945458355200

約数和(自身を除く): 20432765233184

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 5209, 10418, 20836, 41672, 83344, 166688, 380257, 760514, 1521028, 1685759, 3042056, 3371518, 6084112, 6743036, 12168224, 13486072, 26972144, 53944288, 123060407, 246120814, 492241628, 984483256, 1968966512, 3937933024, 8781118631, 17562237262, 35124474524, 70248949048, 140497898096, 280995796192, 641021660063, 1282043320126, 2564086640252, 5128173280504, 10256346561008, 20512693122016]

約数ペア:

[(1, 20512693122016), (2, 10256346561008), (4, 5128173280504), (8, 2564086640252), (16, 1282043320126), (32, 641021660063), (73, 280995796192), (146, 140497898096), (292, 70248949048), (584, 35124474524), (1168, 17562237262), (2336, 8781118631), (5209, 3937933024), (10418, 1968966512), (20836, 984483256), (41672, 492241628), (83344, 246120814), (166688, 123060407), (380257, 53944288), (760514, 26972144), (1521028, 13486072), (1685759, 12168224), (3042056, 6743036), (3371518, 6084112)]