20800440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3041}}^1$

素因数の和:3077

約数の個数: 96

約数和(自身を含む): 71182800

約数和(自身を除く): 50382360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3041, 3420, 6082, 6840, 9123, 12164, 15205, 18246, 24328, 27369, 30410, 36492, 45615, 54738, 57779, 60820, 72984, 91230, 109476, 115558, 121640, 136845, 173337, 182460, 218952, 231116, 273690, 288895, 346674, 364920, 462232, 520011, 547380, 577790, 693348, 866685, 1040022, 1094760, 1155580, 1386696, 1733370, 2080044, 2311160, 2600055, 3466740, 4160088, 5200110, 6933480, 10400220, 20800440]

約数ペア:

[(1, 20800440), (2, 10400220), (3, 6933480), (4, 5200110), (5, 4160088), (6, 3466740), (8, 2600055), (9, 2311160), (10, 2080044), (12, 1733370), (15, 1386696), (18, 1155580), (19, 1094760), (20, 1040022), (24, 866685), (30, 693348), (36, 577790), (38, 547380), (40, 520011), (45, 462232), (57, 364920), (60, 346674), (72, 288895), (76, 273690), (90, 231116), (95, 218952), (114, 182460), (120, 173337), (152, 136845), (171, 121640), (180, 115558), (190, 109476), (228, 91230), (285, 72984), (342, 60820), (360, 57779), (380, 54738), (456, 45615), (570, 36492), (684, 30410), (760, 27369), (855, 24328), (1140, 18246), (1368, 15205), (1710, 12164), (2280, 9123), (3041, 6840), (3420, 6082)]