20991238944

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2417}}^1\times {\mathrm{6959}}^1$

素因数の和:9402

約数の個数: 96

約数和(自身を含む): 59373699840

約数和(自身を除く): 38382460896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 2417, 4834, 6959, 7251, 9668, 13918, 14502, 19336, 20877, 27836, 29004, 31421, 38672, 41754, 55672, 58008, 62842, 77344, 83508, 90467, 94263, 111344, 116016, 125684, 167016, 180934, 188526, 222688, 232032, 251368, 271401, 334032, 361868, 377052, 502736, 542802, 668064, 723736, 754104, 1005472, 1085604, 1447472, 1508208, 2171208, 2894944, 3016416, 4342416, 8684832, 16819903, 33639806, 50459709, 67279612, 100919418, 134559224, 201838836, 218658739, 269118448, 403677672, 437317478, 538236896, 655976217, 807355344, 874634956, 1311952434, 1614710688, 1749269912, 2623904868, 3498539824, 5247809736, 6997079648, 10495619472, 20991238944]

約数ペア:

[(1, 20991238944), (2, 10495619472), (3, 6997079648), (4, 5247809736), (6, 3498539824), (8, 2623904868), (12, 1749269912), (13, 1614710688), (16, 1311952434), (24, 874634956), (26, 807355344), (32, 655976217), (39, 538236896), (48, 437317478), (52, 403677672), (78, 269118448), (96, 218658739), (104, 201838836), (156, 134559224), (208, 100919418), (312, 67279612), (416, 50459709), (624, 33639806), (1248, 16819903), (2417, 8684832), (4834, 4342416), (6959, 3016416), (7251, 2894944), (9668, 2171208), (13918, 1508208), (14502, 1447472), (19336, 1085604), (20877, 1005472), (27836, 754104), (29004, 723736), (31421, 668064), (38672, 542802), (41754, 502736), (55672, 377052), (58008, 361868), (62842, 334032), (77344, 271401), (83508, 251368), (90467, 232032), (94263, 222688), (111344, 188526), (116016, 180934), (125684, 167016)]