20545606944

素因数分解:

$2^5\times 3^2\times {\mathrm{199}}^1\times {\mathrm{358487}}^1$

素因数の和:358702

約数の個数: 72

約数和(自身を含む): 58720334400

約数和(自身を除く): 38174727456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 199, 288, 398, 597, 796, 1194, 1592, 1791, 2388, 3184, 3582, 4776, 6368, 7164, 9552, 14328, 19104, 28656, 57312, 358487, 716974, 1075461, 1433948, 2150922, 2867896, 3226383, 4301844, 5735792, 6452766, 8603688, 11471584, 12905532, 17207376, 25811064, 34414752, 51622128, 71338913, 103244256, 142677826, 214016739, 285355652, 428033478, 570711304, 642050217, 856066956, 1141422608, 1284100434, 1712133912, 2282845216, 2568200868, 3424267824, 5136401736, 6848535648, 10272803472, 20545606944]

約数ペア:

[(1, 20545606944), (2, 10272803472), (3, 6848535648), (4, 5136401736), (6, 3424267824), (8, 2568200868), (9, 2282845216), (12, 1712133912), (16, 1284100434), (18, 1141422608), (24, 856066956), (32, 642050217), (36, 570711304), (48, 428033478), (72, 285355652), (96, 214016739), (144, 142677826), (199, 103244256), (288, 71338913), (398, 51622128), (597, 34414752), (796, 25811064), (1194, 17207376), (1592, 12905532), (1791, 11471584), (2388, 8603688), (3184, 6452766), (3582, 5735792), (4776, 4301844), (6368, 3226383), (7164, 2867896), (9552, 2150922), (14328, 1433948), (19104, 1075461), (28656, 716974), (57312, 358487)]