20211038078

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{17239}}^1$

素因数の和:17613

約数の個数: 64

約数和(自身を含む): 39562076160

約数和(自身を除く): 19351038082

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 331, 506, 662, 1771, 2317, 3542, 3641, 4634, 7282, 7613, 15226, 17239, 25487, 34478, 50974, 53291, 83743, 106582, 120673, 167486, 189629, 241346, 379258, 396497, 586201, 792994, 1172402, 1327403, 2654806, 2775479, 4361467, 5550958, 5706109, 8722934, 11412218, 30530269, 39942763, 61060538, 62767199, 79885526, 125534398, 131240507, 262481014, 439370393, 878740786, 918683549, 1443645577, 1837367098, 2887291154, 10105519039, 20211038078]

約数ペア:

[(1, 20211038078), (2, 10105519039), (7, 2887291154), (11, 1837367098), (14, 1443645577), (22, 918683549), (23, 878740786), (46, 439370393), (77, 262481014), (154, 131240507), (161, 125534398), (253, 79885526), (322, 62767199), (331, 61060538), (506, 39942763), (662, 30530269), (1771, 11412218), (2317, 8722934), (3542, 5706109), (3641, 5550958), (4634, 4361467), (7282, 2775479), (7613, 2654806), (15226, 1327403), (17239, 1172402), (25487, 792994), (34478, 586201), (50974, 396497), (53291, 379258), (83743, 241346), (106582, 189629), (120673, 167486)]