20178361260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1\times {\mathrm{2089}}^1$

素因数の和:2728

約数の個数: 144

約数和(自身を含む): 61950208320

約数和(自身を除く): 41771847060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 521, 618, 927, 1030, 1042, 1236, 1545, 1563, 1854, 2060, 2084, 2089, 2605, 3090, 3126, 3708, 4178, 4635, 4689, 5210, 6180, 6252, 6267, 7815, 8356, 9270, 9378, 10420, 10445, 12534, 15630, 18540, 18756, 18801, 20890, 23445, 25068, 31260, 31335, 37602, 41780, 46890, 53663, 62670, 75204, 93780, 94005, 107326, 125340, 160989, 188010, 214652, 215167, 268315, 321978, 376020, 430334, 482967, 536630, 643956, 645501, 804945, 860668, 965934, 1073260, 1075835, 1088369, 1291002, 1609890, 1931868, 1936503, 2151670, 2176738, 2414835, 2582004, 3219780, 3227505, 3265107, 3873006, 4303340, 4353476, 4829670, 5441845, 6455010, 6530214, 7746012, 9659340, 9682515, 9795321, 10883690, 12910020, 13060428, 16325535, 19365030, 19590642, 21767380, 32651070, 38730060, 39181284, 48976605, 65302140, 97953210, 112102007, 195906420, 224204014, 336306021, 448408028, 560510035, 672612042, 1008918063, 1121020070, 1345224084, 1681530105, 2017836126, 2242040140, 3363060210, 4035672252, 5044590315, 6726120420, 10089180630, 20178361260]

約数ペア:

[(1, 20178361260), (2, 10089180630), (3, 6726120420), (4, 5044590315), (5, 4035672252), (6, 3363060210), (9, 2242040140), (10, 2017836126), (12, 1681530105), (15, 1345224084), (18, 1121020070), (20, 1008918063), (30, 672612042), (36, 560510035), (45, 448408028), (60, 336306021), (90, 224204014), (103, 195906420), (180, 112102007), (206, 97953210), (309, 65302140), (412, 48976605), (515, 39181284), (521, 38730060), (618, 32651070), (927, 21767380), (1030, 19590642), (1042, 19365030), (1236, 16325535), (1545, 13060428), (1563, 12910020), (1854, 10883690), (2060, 9795321), (2084, 9682515), (2089, 9659340), (2605, 7746012), (3090, 6530214), (3126, 6455010), (3708, 5441845), (4178, 4829670), (4635, 4353476), (4689, 4303340), (5210, 3873006), (6180, 3265107), (6252, 3227505), (6267, 3219780), (7815, 2582004), (8356, 2414835), (9270, 2176738), (9378, 2151670), (10420, 1936503), (10445, 1931868), (12534, 1609890), (15630, 1291002), (18540, 1088369), (18756, 1075835), (18801, 1073260), (20890, 965934), (23445, 860668), (25068, 804945), (31260, 645501), (31335, 643956), (37602, 536630), (41780, 482967), (46890, 430334), (53663, 376020), (62670, 321978), (75204, 268315), (93780, 215167), (94005, 214652), (107326, 188010), (125340, 160989)]