20651452080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12292531}}^1$

素因数の和:12292554

約数の個数: 80

約数和(自身を含む): 73165150464

約数和(自身を除く): 52513698384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12292531, 24585062, 36877593, 49170124, 61462655, 73755186, 86047717, 98340248, 122925310, 147510372, 172095434, 184387965, 196680496, 245850620, 258143151, 295020744, 344190868, 368775930, 430238585, 491701240, 516286302, 590041488, 688381736, 737551860, 860477170, 983402480, 1032572604, 1290715755, 1376763472, 1475103720, 1720954340, 2065145208, 2581431510, 2950207440, 3441908680, 4130290416, 5162863020, 6883817360, 10325726040, 20651452080]

約数ペア:

[(1, 20651452080), (2, 10325726040), (3, 6883817360), (4, 5162863020), (5, 4130290416), (6, 3441908680), (7, 2950207440), (8, 2581431510), (10, 2065145208), (12, 1720954340), (14, 1475103720), (15, 1376763472), (16, 1290715755), (20, 1032572604), (21, 983402480), (24, 860477170), (28, 737551860), (30, 688381736), (35, 590041488), (40, 516286302), (42, 491701240), (48, 430238585), (56, 368775930), (60, 344190868), (70, 295020744), (80, 258143151), (84, 245850620), (105, 196680496), (112, 184387965), (120, 172095434), (140, 147510372), (168, 122925310), (210, 98340248), (240, 86047717), (280, 73755186), (336, 61462655), (420, 49170124), (560, 36877593), (840, 24585062), (1680, 12292531)]