20752028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 42282240

約数和(自身を除く): 21530212

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 103, 206, 209, 241, 412, 418, 482, 836, 964, 1133, 1957, 2266, 2651, 3914, 4532, 4579, 5302, 7828, 9158, 10604, 18316, 21527, 24823, 43054, 49646, 50369, 86108, 99292, 100738, 201476, 273053, 471637, 546106, 943274, 1092212, 1886548, 5188007, 10376014, 20752028]

約数ペア:

[(1, 20752028), (2, 10376014), (4, 5188007), (11, 1886548), (19, 1092212), (22, 943274), (38, 546106), (44, 471637), (76, 273053), (103, 201476), (206, 100738), (209, 99292), (241, 86108), (412, 50369), (418, 49646), (482, 43054), (836, 24823), (964, 21527), (1133, 18316), (1957, 10604), (2266, 9158), (2651, 7828), (3914, 5302), (4532, 4579)]