20123013960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7985323}}^1$

素因数の和:7985347

約数の個数: 96

約数和(自身を含む): 74742632640

約数和(自身を除く): 54619618680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7985323, 15970646, 23955969, 31941292, 39926615, 47911938, 55897261, 63882584, 71867907, 79853230, 95823876, 111794522, 119779845, 143735814, 159706460, 167691783, 191647752, 223589044, 239559690, 279486305, 287471628, 319412920, 335383566, 359339535, 447178088, 479119380, 503075349, 558972610, 574943256, 670767132, 718679070, 838458915, 958238760, 1006150698, 1117945220, 1341534264, 1437358140, 1676917830, 2012301396, 2235890440, 2515376745, 2874716280, 3353835660, 4024602792, 5030753490, 6707671320, 10061506980, 20123013960]

約数ペア:

[(1, 20123013960), (2, 10061506980), (3, 6707671320), (4, 5030753490), (5, 4024602792), (6, 3353835660), (7, 2874716280), (8, 2515376745), (9, 2235890440), (10, 2012301396), (12, 1676917830), (14, 1437358140), (15, 1341534264), (18, 1117945220), (20, 1006150698), (21, 958238760), (24, 838458915), (28, 718679070), (30, 670767132), (35, 574943256), (36, 558972610), (40, 503075349), (42, 479119380), (45, 447178088), (56, 359339535), (60, 335383566), (63, 319412920), (70, 287471628), (72, 279486305), (84, 239559690), (90, 223589044), (105, 191647752), (120, 167691783), (126, 159706460), (140, 143735814), (168, 119779845), (180, 111794522), (210, 95823876), (252, 79853230), (280, 71867907), (315, 63882584), (360, 55897261), (420, 47911938), (504, 39926615), (630, 31941292), (840, 23955969), (1260, 15970646), (2520, 7985323)]