20804938364

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{15199}}^1$

素因数の和:15343

約数の個数: 96

約数和(自身を含む): 45760512000

約数和(自身を除く): 24955573636

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 83, 124, 133, 166, 217, 266, 332, 434, 532, 581, 589, 868, 1162, 1178, 1577, 2324, 2356, 2573, 3154, 4123, 5146, 6308, 8246, 10292, 11039, 15199, 16492, 18011, 22078, 30398, 36022, 44156, 48887, 60796, 72044, 97774, 106393, 195548, 212786, 288781, 342209, 425572, 471169, 577562, 684418, 942338, 1155124, 1261517, 1368836, 1884676, 2021467, 2523034, 3298183, 4042934, 5046068, 6596366, 8085868, 8830619, 8952211, 13192732, 17661238, 17904422, 23968823, 35322476, 35808844, 39107027, 47937646, 62665477, 78214054, 95875292, 125330954, 156428108, 167781761, 250661908, 273749189, 335563522, 547498378, 671127044, 743033513, 1094996756, 1486067026, 2972134052, 5201234591, 10402469182, 20804938364]

約数ペア:

[(1, 20804938364), (2, 10402469182), (4, 5201234591), (7, 2972134052), (14, 1486067026), (19, 1094996756), (28, 743033513), (31, 671127044), (38, 547498378), (62, 335563522), (76, 273749189), (83, 250661908), (124, 167781761), (133, 156428108), (166, 125330954), (217, 95875292), (266, 78214054), (332, 62665477), (434, 47937646), (532, 39107027), (581, 35808844), (589, 35322476), (868, 23968823), (1162, 17904422), (1178, 17661238), (1577, 13192732), (2324, 8952211), (2356, 8830619), (2573, 8085868), (3154, 6596366), (4123, 5046068), (5146, 4042934), (6308, 3298183), (8246, 2523034), (10292, 2021467), (11039, 1884676), (15199, 1368836), (16492, 1261517), (18011, 1155124), (22078, 942338), (30398, 684418), (36022, 577562), (44156, 471169), (48887, 425572), (60796, 342209), (72044, 288781), (97774, 212786), (106393, 195548)]