20169720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{313}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 66128400

約数和(自身を除く): 45958680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 179, 180, 313, 358, 360, 537, 626, 716, 895, 939, 1074, 1252, 1432, 1565, 1611, 1790, 1878, 2148, 2504, 2685, 2817, 3130, 3222, 3580, 3756, 4296, 4695, 5370, 5634, 6260, 6444, 7160, 7512, 8055, 9390, 10740, 11268, 12520, 12888, 14085, 16110, 18780, 21480, 22536, 28170, 32220, 37560, 56027, 56340, 64440, 112054, 112680, 168081, 224108, 280135, 336162, 448216, 504243, 560270, 672324, 840405, 1008486, 1120540, 1344648, 1680810, 2016972, 2241080, 2521215, 3361620, 4033944, 5042430, 6723240, 10084860, 20169720]

約数ペア:

[(1, 20169720), (2, 10084860), (3, 6723240), (4, 5042430), (5, 4033944), (6, 3361620), (8, 2521215), (9, 2241080), (10, 2016972), (12, 1680810), (15, 1344648), (18, 1120540), (20, 1008486), (24, 840405), (30, 672324), (36, 560270), (40, 504243), (45, 448216), (60, 336162), (72, 280135), (90, 224108), (120, 168081), (179, 112680), (180, 112054), (313, 64440), (358, 56340), (360, 56027), (537, 37560), (626, 32220), (716, 28170), (895, 22536), (939, 21480), (1074, 18780), (1252, 16110), (1432, 14085), (1565, 12888), (1611, 12520), (1790, 11268), (1878, 10740), (2148, 9390), (2504, 8055), (2685, 7512), (2817, 7160), (3130, 6444), (3222, 6260), (3580, 5634), (3756, 5370), (4296, 4695)]