20194178212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1\times {\mathrm{883}}^1$

素因数の和:1589

約数の個数: 96

約数和(自身を含む): 41392076544

約数和(自身を除く): 21197898332

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 221, 442, 533, 631, 697, 883, 884, 1066, 1262, 1394, 1766, 2132, 2524, 2788, 3532, 8203, 9061, 10727, 11479, 15011, 16406, 18122, 21454, 22958, 25871, 30022, 32812, 36203, 36244, 42908, 45916, 51742, 60044, 72406, 103484, 139451, 144812, 195143, 278902, 336323, 390286, 439807, 470639, 557173, 557804, 615451, 672646, 780572, 879614, 941278, 1114346, 1230902, 1345292, 1759228, 1882556, 2228692, 2461804, 5717491, 7243249, 8000863, 9471941, 11434982, 14486498, 16001726, 18943882, 22844093, 22869964, 28972996, 32003452, 37887764, 45688186, 91376372, 123135233, 246270466, 296973209, 388349581, 492540932, 593946418, 776699162, 1187892836, 1553398324, 5048544553, 10097089106, 20194178212]

約数ペア:

[(1, 20194178212), (2, 10097089106), (4, 5048544553), (13, 1553398324), (17, 1187892836), (26, 776699162), (34, 593946418), (41, 492540932), (52, 388349581), (68, 296973209), (82, 246270466), (164, 123135233), (221, 91376372), (442, 45688186), (533, 37887764), (631, 32003452), (697, 28972996), (883, 22869964), (884, 22844093), (1066, 18943882), (1262, 16001726), (1394, 14486498), (1766, 11434982), (2132, 9471941), (2524, 8000863), (2788, 7243249), (3532, 5717491), (8203, 2461804), (9061, 2228692), (10727, 1882556), (11479, 1759228), (15011, 1345292), (16406, 1230902), (18122, 1114346), (21454, 941278), (22958, 879614), (25871, 780572), (30022, 672646), (32812, 615451), (36203, 557804), (36244, 557173), (42908, 470639), (45916, 439807), (51742, 390286), (60044, 336323), (72406, 278902), (103484, 195143), (139451, 144812)]