20132992

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 44553600

約数和(自身を除く): 24420608

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 128, 158, 176, 181, 316, 352, 362, 632, 704, 724, 869, 1264, 1408, 1448, 1738, 1991, 2528, 2896, 3476, 3982, 5056, 5792, 6952, 7964, 10112, 11584, 13904, 14299, 15928, 23168, 27808, 28598, 31856, 55616, 57196, 63712, 111232, 114392, 127424, 157289, 228784, 254848, 314578, 457568, 629156, 915136, 1258312, 1830272, 2516624, 5033248, 10066496, 20132992]

約数ペア:

[(1, 20132992), (2, 10066496), (4, 5033248), (8, 2516624), (11, 1830272), (16, 1258312), (22, 915136), (32, 629156), (44, 457568), (64, 314578), (79, 254848), (88, 228784), (128, 157289), (158, 127424), (176, 114392), (181, 111232), (316, 63712), (352, 57196), (362, 55616), (632, 31856), (704, 28598), (724, 27808), (869, 23168), (1264, 15928), (1408, 14299), (1448, 13904), (1738, 11584), (1991, 10112), (2528, 7964), (2896, 6952), (3476, 5792), (3982, 5056)]