20767912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12421}}^1$

素因数の和:12457

約数の個数: 32

約数和(自身を含む): 44719200

約数和(自身を除く): 23951288

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12421, 24842, 49684, 99368, 136631, 235999, 273262, 471998, 546524, 943996, 1093048, 1887992, 2595989, 5191978, 10383956, 20767912]

約数ペア:

[(1, 20767912), (2, 10383956), (4, 5191978), (8, 2595989), (11, 1887992), (19, 1093048), (22, 943996), (38, 546524), (44, 471998), (76, 273262), (88, 235999), (152, 136631), (209, 99368), (418, 49684), (836, 24842), (1672, 12421)]