20826820980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5509741}}^1$

素因数の和:5509766

約数の個数: 96

約数和(自身を含む): 74050932480

約数和(自身を除く): 53224111500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5509741, 11019482, 16529223, 22038964, 27548705, 33058446, 38568187, 49587669, 55097410, 66116892, 77136374, 82646115, 99175338, 110194820, 115704561, 148763007, 154272748, 165292230, 192840935, 198350676, 231409122, 247938345, 297526014, 330584460, 347113683, 385681870, 462818244, 495876690, 578522805, 595052028, 694227366, 743815035, 771363740, 991753380, 1041341049, 1157045610, 1388454732, 1487630070, 1735568415, 2082682098, 2314091220, 2975260140, 3471136830, 4165364196, 5206705245, 6942273660, 10413410490, 20826820980]

約数ペア:

[(1, 20826820980), (2, 10413410490), (3, 6942273660), (4, 5206705245), (5, 4165364196), (6, 3471136830), (7, 2975260140), (9, 2314091220), (10, 2082682098), (12, 1735568415), (14, 1487630070), (15, 1388454732), (18, 1157045610), (20, 1041341049), (21, 991753380), (27, 771363740), (28, 743815035), (30, 694227366), (35, 595052028), (36, 578522805), (42, 495876690), (45, 462818244), (54, 385681870), (60, 347113683), (63, 330584460), (70, 297526014), (84, 247938345), (90, 231409122), (105, 198350676), (108, 192840935), (126, 165292230), (135, 154272748), (140, 148763007), (180, 115704561), (189, 110194820), (210, 99175338), (252, 82646115), (270, 77136374), (315, 66116892), (378, 55097410), (420, 49587669), (540, 38568187), (630, 33058446), (756, 27548705), (945, 22038964), (1260, 16529223), (1890, 11019482), (3780, 5509741)]