20795504324

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1321}}^1\times {\mathrm{19387}}^1$

素因数の和:20748

約数の個数: 48

約数和(自身を含む): 43059972480

約数和(自身を除く): 22264468156

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 1321, 2642, 5284, 9247, 18494, 19387, 36988, 38309, 38774, 76618, 77548, 135709, 153236, 268163, 271418, 536326, 542836, 562223, 1072652, 1124446, 2248892, 3935561, 7871122, 15742244, 25610227, 51220454, 102440908, 179271589, 358543178, 717086356, 742696583, 1485393166, 2970786332, 5198876081, 10397752162, 20795504324]

約数ペア:

[(1, 20795504324), (2, 10397752162), (4, 5198876081), (7, 2970786332), (14, 1485393166), (28, 742696583), (29, 717086356), (58, 358543178), (116, 179271589), (203, 102440908), (406, 51220454), (812, 25610227), (1321, 15742244), (2642, 7871122), (5284, 3935561), (9247, 2248892), (18494, 1124446), (19387, 1072652), (36988, 562223), (38309, 542836), (38774, 536326), (76618, 271418), (77548, 268163), (135709, 153236)]