20800230444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{328847}}^1$

素因数の和:329115

約数の個数: 72

約数和(自身を含む): 60329138688

約数和(自身を除く): 39528908244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 502, 753, 1004, 1506, 1757, 2259, 3012, 3514, 4518, 5271, 7028, 9036, 10542, 15813, 21084, 31626, 63252, 328847, 657694, 986541, 1315388, 1973082, 2301929, 2959623, 3946164, 4603858, 5919246, 6905787, 9207716, 11838492, 13811574, 20717361, 27623148, 41434722, 82540597, 82869444, 165081194, 247621791, 330162388, 495243582, 577784179, 742865373, 990487164, 1155568358, 1485730746, 1733352537, 2311136716, 2971461492, 3466705074, 5200057611, 6933410148, 10400115222, 20800230444]

約数ペア:

[(1, 20800230444), (2, 10400115222), (3, 6933410148), (4, 5200057611), (6, 3466705074), (7, 2971461492), (9, 2311136716), (12, 1733352537), (14, 1485730746), (18, 1155568358), (21, 990487164), (28, 742865373), (36, 577784179), (42, 495243582), (63, 330162388), (84, 247621791), (126, 165081194), (251, 82869444), (252, 82540597), (502, 41434722), (753, 27623148), (1004, 20717361), (1506, 13811574), (1757, 11838492), (2259, 9207716), (3012, 6905787), (3514, 5919246), (4518, 4603858), (5271, 3946164), (7028, 2959623), (9036, 2301929), (10542, 1973082), (15813, 1315388), (21084, 986541), (31626, 657694), (63252, 328847)]