20115571710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{21061}}^1$

素因数の和:21194

約数の個数: 128

約数和(自身を含む): 54350069760

約数和(自身を除く): 34234498050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 79, 93, 130, 155, 158, 186, 195, 237, 310, 390, 395, 403, 465, 474, 790, 806, 930, 1027, 1185, 1209, 2015, 2054, 2370, 2418, 2449, 3081, 4030, 4898, 5135, 6045, 6162, 7347, 10270, 12090, 12245, 14694, 15405, 21061, 24490, 30810, 31837, 36735, 42122, 63183, 63674, 73470, 95511, 105305, 126366, 159185, 191022, 210610, 273793, 315915, 318370, 477555, 547586, 631830, 652891, 821379, 955110, 1305782, 1368965, 1642758, 1663819, 1958673, 2737930, 3264455, 3327638, 3917346, 4106895, 4991457, 6528910, 8213790, 8319095, 8487583, 9793365, 9982914, 16638190, 16975166, 19586730, 21629647, 24957285, 25462749, 42437915, 43259294, 49914570, 50925498, 51578389, 64888941, 84875830, 103156778, 108148235, 127313745, 129777882, 154735167, 216296470, 254627490, 257891945, 309470334, 324444705, 515783890, 648889410, 670519057, 773675835, 1341038114, 1547351670, 2011557171, 3352595285, 4023114342, 6705190570, 10057785855, 20115571710]

約数ペア:

[(1, 20115571710), (2, 10057785855), (3, 6705190570), (5, 4023114342), (6, 3352595285), (10, 2011557171), (13, 1547351670), (15, 1341038114), (26, 773675835), (30, 670519057), (31, 648889410), (39, 515783890), (62, 324444705), (65, 309470334), (78, 257891945), (79, 254627490), (93, 216296470), (130, 154735167), (155, 129777882), (158, 127313745), (186, 108148235), (195, 103156778), (237, 84875830), (310, 64888941), (390, 51578389), (395, 50925498), (403, 49914570), (465, 43259294), (474, 42437915), (790, 25462749), (806, 24957285), (930, 21629647), (1027, 19586730), (1185, 16975166), (1209, 16638190), (2015, 9982914), (2054, 9793365), (2370, 8487583), (2418, 8319095), (2449, 8213790), (3081, 6528910), (4030, 4991457), (4898, 4106895), (5135, 3917346), (6045, 3327638), (6162, 3264455), (7347, 2737930), (10270, 1958673), (12090, 1663819), (12245, 1642758), (14694, 1368965), (15405, 1305782), (21061, 955110), (24490, 821379), (30810, 652891), (31837, 631830), (36735, 547586), (42122, 477555), (63183, 318370), (63674, 315915), (73470, 273793), (95511, 210610), (105305, 191022), (126366, 159185)]