20551410540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2655221}}^1$

素因数の和:2655279

約数の個数: 72

約数和(自身を含む): 63789053328

約数和(自身を除く): 43237642788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 2655221, 5310442, 7965663, 10620884, 13276105, 15931326, 23896989, 26552210, 31862652, 39828315, 47793978, 53104420, 79656630, 95587956, 114174503, 119484945, 159313260, 228349006, 238969890, 342523509, 456698012, 477939780, 570872515, 685047018, 1027570527, 1141745030, 1370094036, 1712617545, 2055141054, 2283490060, 3425235090, 4110282108, 5137852635, 6850470180, 10275705270, 20551410540]

約数ペア:

[(1, 20551410540), (2, 10275705270), (3, 6850470180), (4, 5137852635), (5, 4110282108), (6, 3425235090), (9, 2283490060), (10, 2055141054), (12, 1712617545), (15, 1370094036), (18, 1141745030), (20, 1027570527), (30, 685047018), (36, 570872515), (43, 477939780), (45, 456698012), (60, 342523509), (86, 238969890), (90, 228349006), (129, 159313260), (172, 119484945), (180, 114174503), (215, 95587956), (258, 79656630), (387, 53104420), (430, 47793978), (516, 39828315), (645, 31862652), (774, 26552210), (860, 23896989), (1290, 15931326), (1548, 13276105), (1935, 10620884), (2580, 7965663), (3870, 5310442), (7740, 2655221)]