20157841152

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{460477}}^1$

素因数の和:460518

約数の個数: 108

約数和(自身を含む): 61179107080

約数和(自身を除く): 41021265928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 576, 608, 684, 768, 912, 1152, 1216, 1368, 1824, 2304, 2432, 2736, 3648, 4864, 5472, 7296, 10944, 14592, 21888, 43776, 460477, 920954, 1381431, 1841908, 2762862, 3683816, 4144293, 5525724, 7367632, 8288586, 8749063, 11051448, 14735264, 16577172, 17498126, 22102896, 26247189, 29470528, 33154344, 34996252, 44205792, 52494378, 58941056, 66308688, 69992504, 78741567, 88411584, 104988756, 117882112, 132617376, 139985008, 157483134, 176823168, 209977512, 265234752, 279970016, 314966268, 353646336, 419955024, 530469504, 559940032, 629932536, 839910048, 1060939008, 1119880064, 1259865072, 1679820096, 2239760128, 2519730144, 3359640192, 5039460288, 6719280384, 10078920576, 20157841152]

約数ペア:

[(1, 20157841152), (2, 10078920576), (3, 6719280384), (4, 5039460288), (6, 3359640192), (8, 2519730144), (9, 2239760128), (12, 1679820096), (16, 1259865072), (18, 1119880064), (19, 1060939008), (24, 839910048), (32, 629932536), (36, 559940032), (38, 530469504), (48, 419955024), (57, 353646336), (64, 314966268), (72, 279970016), (76, 265234752), (96, 209977512), (114, 176823168), (128, 157483134), (144, 139985008), (152, 132617376), (171, 117882112), (192, 104988756), (228, 88411584), (256, 78741567), (288, 69992504), (304, 66308688), (342, 58941056), (384, 52494378), (456, 44205792), (576, 34996252), (608, 33154344), (684, 29470528), (768, 26247189), (912, 22102896), (1152, 17498126), (1216, 16577172), (1368, 14735264), (1824, 11051448), (2304, 8749063), (2432, 8288586), (2736, 7367632), (3648, 5525724), (4864, 4144293), (5472, 3683816), (7296, 2762862), (10944, 1841908), (14592, 1381431), (21888, 920954), (43776, 460477)]