20176758

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2027}}^1$

素因数の和:2121

約数の個数: 48

約数和(自身を含む): 50618880

約数和(自身を除く): 30442122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 2027, 3318, 4054, 4977, 6081, 9954, 12162, 14189, 18243, 28378, 36486, 42567, 85134, 127701, 160133, 255402, 320266, 480399, 960798, 1120931, 1441197, 2241862, 2882394, 3362793, 6725586, 10088379, 20176758]

約数ペア:

[(1, 20176758), (2, 10088379), (3, 6725586), (6, 3362793), (7, 2882394), (9, 2241862), (14, 1441197), (18, 1120931), (21, 960798), (42, 480399), (63, 320266), (79, 255402), (126, 160133), (158, 127701), (237, 85134), (474, 42567), (553, 36486), (711, 28378), (1106, 18243), (1422, 14189), (1659, 12162), (2027, 9954), (3318, 6081), (4054, 4977)]