20863584

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 144

約数和(自身を含む): 69189120

約数和(自身を除く): 48325536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 79, 84, 96, 112, 126, 131, 144, 158, 168, 224, 237, 252, 262, 288, 316, 336, 393, 474, 504, 524, 553, 632, 672, 711, 786, 917, 948, 1008, 1048, 1106, 1179, 1264, 1422, 1572, 1659, 1834, 1896, 2016, 2096, 2212, 2358, 2528, 2751, 2844, 3144, 3318, 3668, 3792, 4192, 4424, 4716, 4977, 5502, 5688, 6288, 6636, 7336, 7584, 8253, 8848, 9432, 9954, 10349, 11004, 11376, 12576, 13272, 14672, 16506, 17696, 18864, 19908, 20698, 22008, 22752, 26544, 29344, 31047, 33012, 37728, 39816, 41396, 44016, 53088, 62094, 66024, 72443, 79632, 82792, 88032, 93141, 124188, 132048, 144886, 159264, 165584, 186282, 217329, 248376, 264096, 289772, 331168, 372564, 434658, 496752, 579544, 651987, 745128, 869316, 993504, 1159088, 1303974, 1490256, 1738632, 2318176, 2607948, 2980512, 3477264, 5215896, 6954528, 10431792, 20863584]

約数ペア:

[(1, 20863584), (2, 10431792), (3, 6954528), (4, 5215896), (6, 3477264), (7, 2980512), (8, 2607948), (9, 2318176), (12, 1738632), (14, 1490256), (16, 1303974), (18, 1159088), (21, 993504), (24, 869316), (28, 745128), (32, 651987), (36, 579544), (42, 496752), (48, 434658), (56, 372564), (63, 331168), (72, 289772), (79, 264096), (84, 248376), (96, 217329), (112, 186282), (126, 165584), (131, 159264), (144, 144886), (158, 132048), (168, 124188), (224, 93141), (237, 88032), (252, 82792), (262, 79632), (288, 72443), (316, 66024), (336, 62094), (393, 53088), (474, 44016), (504, 41396), (524, 39816), (553, 37728), (632, 33012), (672, 31047), (711, 29344), (786, 26544), (917, 22752), (948, 22008), (1008, 20698), (1048, 19908), (1106, 18864), (1179, 17696), (1264, 16506), (1422, 14672), (1572, 13272), (1659, 12576), (1834, 11376), (1896, 11004), (2016, 10349), (2096, 9954), (2212, 9432), (2358, 8848), (2528, 8253), (2751, 7584), (2844, 7336), (3144, 6636), (3318, 6288), (3668, 5688), (3792, 5502), (4192, 4977), (4424, 4716)]