20885757408

素因数分解:

$2^5\times 3^2\times {\mathrm{137}}^1\times {\mathrm{529343}}^1$

素因数の和:529496

約数の個数: 72

約数和(自身を含む): 59827517568

約数和(自身を除く): 38941760160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 137, 144, 274, 288, 411, 548, 822, 1096, 1233, 1644, 2192, 2466, 3288, 4384, 4932, 6576, 9864, 13152, 19728, 39456, 529343, 1058686, 1588029, 2117372, 3176058, 4234744, 4764087, 6352116, 8469488, 9528174, 12704232, 16938976, 19056348, 25408464, 38112696, 50816928, 72519991, 76225392, 145039982, 152450784, 217559973, 290079964, 435119946, 580159928, 652679919, 870239892, 1160319856, 1305359838, 1740479784, 2320639712, 2610719676, 3480959568, 5221439352, 6961919136, 10442878704, 20885757408]

約数ペア:

[(1, 20885757408), (2, 10442878704), (3, 6961919136), (4, 5221439352), (6, 3480959568), (8, 2610719676), (9, 2320639712), (12, 1740479784), (16, 1305359838), (18, 1160319856), (24, 870239892), (32, 652679919), (36, 580159928), (48, 435119946), (72, 290079964), (96, 217559973), (137, 152450784), (144, 145039982), (274, 76225392), (288, 72519991), (411, 50816928), (548, 38112696), (822, 25408464), (1096, 19056348), (1233, 16938976), (1644, 12704232), (2192, 9528174), (2466, 8469488), (3288, 6352116), (4384, 4764087), (4932, 4234744), (6576, 3176058), (9864, 2117372), (13152, 1588029), (19728, 1058686), (39456, 529343)]