20450197488

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{191999}}^1$

素因数の和:192334

約数の個数: 80

約数和(自身を含む): 60567552000

約数和(自身を除く): 40117354512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 317, 336, 634, 951, 1268, 1902, 2219, 2536, 3804, 4438, 5072, 6657, 7608, 8876, 13314, 15216, 17752, 26628, 35504, 53256, 106512, 191999, 383998, 575997, 767996, 1151994, 1343993, 1535992, 2303988, 2687986, 3071984, 4031979, 4607976, 5375972, 8063958, 9215952, 10751944, 16127916, 21503888, 32255832, 60863683, 64511664, 121727366, 182591049, 243454732, 365182098, 426045781, 486909464, 730364196, 852091562, 973818928, 1278137343, 1460728392, 1704183124, 2556274686, 2921456784, 3408366248, 5112549372, 6816732496, 10225098744, 20450197488]

約数ペア:

[(1, 20450197488), (2, 10225098744), (3, 6816732496), (4, 5112549372), (6, 3408366248), (7, 2921456784), (8, 2556274686), (12, 1704183124), (14, 1460728392), (16, 1278137343), (21, 973818928), (24, 852091562), (28, 730364196), (42, 486909464), (48, 426045781), (56, 365182098), (84, 243454732), (112, 182591049), (168, 121727366), (317, 64511664), (336, 60863683), (634, 32255832), (951, 21503888), (1268, 16127916), (1902, 10751944), (2219, 9215952), (2536, 8063958), (3804, 5375972), (4438, 4607976), (5072, 4031979), (6657, 3071984), (7608, 2687986), (8876, 2303988), (13314, 1535992), (15216, 1343993), (17752, 1151994), (26628, 767996), (35504, 575997), (53256, 383998), (106512, 191999)]