20852064688

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{461983}}^1$

素因数の和:462042

約数の個数: 80

約数和(自身を含む): 51328270336

約数和(自身を除く): 30476205648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 5642, 6448, 11284, 22568, 45136, 461983, 923966, 1847932, 3233881, 3695864, 6005779, 6467762, 7391728, 12011558, 12935524, 14321473, 24023116, 25871048, 28642946, 42040453, 48046232, 51742096, 57285892, 84080906, 96092464, 100250311, 114571784, 168161812, 186179149, 200500622, 229143568, 336323624, 372358298, 401001244, 672647248, 744716596, 802002488, 1303254043, 1489433192, 1604004976, 2606508086, 2978866384, 5213016172, 10426032344, 20852064688]

約数ペア:

[(1, 20852064688), (2, 10426032344), (4, 5213016172), (7, 2978866384), (8, 2606508086), (13, 1604004976), (14, 1489433192), (16, 1303254043), (26, 802002488), (28, 744716596), (31, 672647248), (52, 401001244), (56, 372358298), (62, 336323624), (91, 229143568), (104, 200500622), (112, 186179149), (124, 168161812), (182, 114571784), (208, 100250311), (217, 96092464), (248, 84080906), (364, 57285892), (403, 51742096), (434, 48046232), (496, 42040453), (728, 28642946), (806, 25871048), (868, 24023116), (1456, 14321473), (1612, 12935524), (1736, 12011558), (2821, 7391728), (3224, 6467762), (3472, 6005779), (5642, 3695864), (6448, 3233881), (11284, 1847932), (22568, 923966), (45136, 461983)]