20165992

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1766

約数の個数: 64

約数和(自身を含む): 49651200

約数和(自身を除く): 29485208

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1672, 1723, 2926, 3446, 5852, 6892, 11704, 12061, 13784, 18953, 24122, 32737, 37906, 48244, 65474, 75812, 96488, 130948, 132671, 151624, 229159, 261896, 265342, 360107, 458318, 530684, 720214, 916636, 1061368, 1440428, 1833272, 2520749, 2880856, 5041498, 10082996, 20165992]

約数ペア:

[(1, 20165992), (2, 10082996), (4, 5041498), (7, 2880856), (8, 2520749), (11, 1833272), (14, 1440428), (19, 1061368), (22, 916636), (28, 720214), (38, 530684), (44, 458318), (56, 360107), (76, 265342), (77, 261896), (88, 229159), (133, 151624), (152, 132671), (154, 130948), (209, 96488), (266, 75812), (308, 65474), (418, 48244), (532, 37906), (616, 32737), (836, 24122), (1064, 18953), (1463, 13784), (1672, 12061), (1723, 11704), (2926, 6892), (3446, 5852)]