20197473952

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{11981}}^1$

素因数の和:12509

約数の個数: 48

約数和(自身を含む): 40158871200

約数和(自身を除く): 19961397248

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 379, 556, 758, 1112, 1516, 2224, 3032, 4448, 6064, 11981, 12128, 23962, 47924, 52681, 95848, 105362, 191696, 210724, 383392, 421448, 842896, 1665359, 1685792, 3330718, 4540799, 6661436, 9081598, 13322872, 18163196, 26645744, 36326392, 53291488, 72652784, 145305568, 631171061, 1262342122, 2524684244, 5049368488, 10098736976, 20197473952]

約数ペア:

[(1, 20197473952), (2, 10098736976), (4, 5049368488), (8, 2524684244), (16, 1262342122), (32, 631171061), (139, 145305568), (278, 72652784), (379, 53291488), (556, 36326392), (758, 26645744), (1112, 18163196), (1516, 13322872), (2224, 9081598), (3032, 6661436), (4448, 4540799), (6064, 3330718), (11981, 1685792), (12128, 1665359), (23962, 842896), (47924, 421448), (52681, 383392), (95848, 210724), (105362, 191696)]