20042160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 120

約数和(自身を含む): 64902096

約数和(自身を除く): 44859936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 61, 74, 80, 111, 120, 122, 148, 183, 185, 222, 240, 244, 296, 305, 366, 370, 444, 488, 555, 592, 610, 732, 740, 888, 915, 976, 1110, 1220, 1369, 1464, 1480, 1776, 1830, 2220, 2257, 2440, 2738, 2928, 2960, 3660, 4107, 4440, 4514, 4880, 5476, 6771, 6845, 7320, 8214, 8880, 9028, 10952, 11285, 13542, 13690, 14640, 16428, 18056, 20535, 21904, 22570, 27084, 27380, 32856, 33855, 36112, 41070, 45140, 54168, 54760, 65712, 67710, 82140, 83509, 90280, 108336, 109520, 135420, 164280, 167018, 180560, 250527, 270840, 328560, 334036, 417545, 501054, 541680, 668072, 835090, 1002108, 1252635, 1336144, 1670180, 2004216, 2505270, 3340360, 4008432, 5010540, 6680720, 10021080, 20042160]

約数ペア:

[(1, 20042160), (2, 10021080), (3, 6680720), (4, 5010540), (5, 4008432), (6, 3340360), (8, 2505270), (10, 2004216), (12, 1670180), (15, 1336144), (16, 1252635), (20, 1002108), (24, 835090), (30, 668072), (37, 541680), (40, 501054), (48, 417545), (60, 334036), (61, 328560), (74, 270840), (80, 250527), (111, 180560), (120, 167018), (122, 164280), (148, 135420), (183, 109520), (185, 108336), (222, 90280), (240, 83509), (244, 82140), (296, 67710), (305, 65712), (366, 54760), (370, 54168), (444, 45140), (488, 41070), (555, 36112), (592, 33855), (610, 32856), (732, 27380), (740, 27084), (888, 22570), (915, 21904), (976, 20535), (1110, 18056), (1220, 16428), (1369, 14640), (1464, 13690), (1480, 13542), (1776, 11285), (1830, 10952), (2220, 9028), (2257, 8880), (2440, 8214), (2738, 7320), (2928, 6845), (2960, 6771), (3660, 5476), (4107, 4880), (4440, 4514)]