20837670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1481}}^1$

素因数の和:1565

約数の個数: 64

約数和(自身を含む): 58046976

約数和(自身を除く): 37209306

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 67, 70, 105, 134, 201, 210, 335, 402, 469, 670, 938, 1005, 1407, 1481, 2010, 2345, 2814, 2962, 4443, 4690, 7035, 7405, 8886, 10367, 14070, 14810, 20734, 22215, 31101, 44430, 51835, 62202, 99227, 103670, 155505, 198454, 297681, 311010, 496135, 595362, 694589, 992270, 1389178, 1488405, 2083767, 2976810, 3472945, 4167534, 6945890, 10418835, 20837670]

約数ペア:

[(1, 20837670), (2, 10418835), (3, 6945890), (5, 4167534), (6, 3472945), (7, 2976810), (10, 2083767), (14, 1488405), (15, 1389178), (21, 992270), (30, 694589), (35, 595362), (42, 496135), (67, 311010), (70, 297681), (105, 198454), (134, 155505), (201, 103670), (210, 99227), (335, 62202), (402, 51835), (469, 44430), (670, 31101), (938, 22215), (1005, 20734), (1407, 14810), (1481, 14070), (2010, 10367), (2345, 8886), (2814, 7405), (2962, 7035), (4443, 4690)]