20865792

素因数分解:

$2^8\times 3^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 56291760

約数和(自身を除く): 35425968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 101, 128, 192, 202, 256, 269, 303, 384, 404, 538, 606, 768, 807, 808, 1076, 1212, 1614, 1616, 2152, 2424, 3228, 3232, 4304, 4848, 6456, 6464, 8608, 9696, 12912, 12928, 17216, 19392, 25824, 25856, 27169, 34432, 38784, 51648, 54338, 68864, 77568, 81507, 103296, 108676, 163014, 206592, 217352, 326028, 434704, 652056, 869408, 1304112, 1738816, 2608224, 3477632, 5216448, 6955264, 10432896, 20865792]

約数ペア:

[(1, 20865792), (2, 10432896), (3, 6955264), (4, 5216448), (6, 3477632), (8, 2608224), (12, 1738816), (16, 1304112), (24, 869408), (32, 652056), (48, 434704), (64, 326028), (96, 217352), (101, 206592), (128, 163014), (192, 108676), (202, 103296), (256, 81507), (269, 77568), (303, 68864), (384, 54338), (404, 51648), (538, 38784), (606, 34432), (768, 27169), (807, 25856), (808, 25824), (1076, 19392), (1212, 17216), (1614, 12928), (1616, 12912), (2152, 9696), (2424, 8608), (3228, 6464), (3232, 6456), (4304, 4848)]