20528512

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 45043200

約数和(自身を除く): 24514688

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 304, 367, 368, 437, 608, 734, 736, 874, 1216, 1468, 1472, 1748, 2432, 2936, 2944, 3496, 5872, 6973, 6992, 8441, 11744, 13946, 13984, 16882, 23488, 27892, 27968, 33764, 46976, 55784, 55936, 67528, 111568, 135056, 160379, 223136, 270112, 320758, 446272, 540224, 641516, 892544, 1080448, 1283032, 2566064, 5132128, 10264256, 20528512]

約数ペア:

[(1, 20528512), (2, 10264256), (4, 5132128), (8, 2566064), (16, 1283032), (19, 1080448), (23, 892544), (32, 641516), (38, 540224), (46, 446272), (64, 320758), (76, 270112), (92, 223136), (128, 160379), (152, 135056), (184, 111568), (304, 67528), (367, 55936), (368, 55784), (437, 46976), (608, 33764), (734, 27968), (736, 27892), (874, 23488), (1216, 16882), (1468, 13984), (1472, 13946), (1748, 11744), (2432, 8441), (2936, 6992), (2944, 6973), (3496, 5872)]